Delete Legend config panel component

@@ -49,7 +49,6 @@ import { EntityAliasSelectComponent } from '@home/components/alias/entity-alias-
 import { DataKeysComponent } from '@home/components/widget/data-keys.component';
 import { DataKeyConfigDialogComponent } from '@home/components/widget/data-key-config-dialog.component';
 import { DataKeyConfigComponent } from '@home/components/widget/data-key-config.component';
-import { LegendConfigPanelComponent } from '@home/components/widget/legend-config-panel.component';
 import { LegendConfigComponent } from '@home/components/widget/legend-config.component';
 import { ManageWidgetActionsComponent } from '@home/components/widget/action/manage-widget-actions.component';
 import { WidgetActionDialogComponent } from '@home/components/widget/action/widget-action-dialog.component';
@@ -182,7 +181,6 @@ import { DeviceProfileCommonModule } from '@home/components/profile/device/commo
       DataKeysComponent,
       DataKeyConfigComponent,
       DataKeyConfigDialogComponent,
-      LegendConfigPanelComponent,
       LegendConfigComponent,
       ManageWidgetActionsComponent,
       WidgetActionDialogComponent,

-<!--
-
-    Copyright © 2016-2021 The Thingsboard Authors
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-        http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
-
--->
-<form [formGroup]="legendConfigForm">
-  <fieldset [disabled]="(isLoading$ | async)">
-    <div class="mat-content" style="height: 100%;">
-      <div class="mat-padding">
-        <section fxLayout="column">
-          <mat-form-field>
-            <mat-label translate>legend.direction</mat-label>
-            <mat-select matInput formControlName="direction" style="min-width: 150px;">
-              <mat-option *ngFor="let direction of legendDirections" [value]="direction">
-                {{ legendDirectionTranslations.get(legendDirection[direction]) | translate }}
-              </mat-option>
-            </mat-select>
-          </mat-form-field>
-          <mat-form-field>
-            <mat-label translate>legend.position</mat-label>
-            <mat-select matInput formControlName="position" style="min-width: 150px;">
-              <mat-option *ngFor="let pos of legendPositions" [value]="pos"
-                  [disabled]="legendConfigForm.get('direction').value === legendDirection.row &&
-                  (pos === legendPosition.left || pos === legendPosition.right)">
-                {{ legendPositionTranslations.get(legendPosition[pos]) | translate }}
-              </mat-option>
-            </mat-select>
-          </mat-form-field>
-          <mat-checkbox formControlName="sortDataKeys">
-            {{ 'legend.sort-legend' | translate }}
-          </mat-checkbox>
-          <mat-checkbox formControlName="showMin">
-            {{ 'legend.show-min' | translate }}
-          </mat-checkbox>
-          <mat-checkbox formControlName="showMax">
-            {{ 'legend.show-max' | translate }}
-          </mat-checkbox>
-          <mat-checkbox formControlName="showAvg">
-            {{ 'legend.show-avg' | translate }}
-          </mat-checkbox>
-          <mat-checkbox formControlName="showTotal">
-            {{ 'legend.show-total' | translate }}
-          </mat-checkbox>
-        </section>
-      </div>
-    </div>
-  </fieldset>
-</form>

-/**
- * Copyright © 2016-2021 The Thingsboard Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-:host {
-  width: 100%;
-  height: 100%;
-  form,
-  fieldset {
-    height: 100%;
-  }
-
-  .mat-content {
-    overflow: hidden;
-    background-color: #fff;
-  }
-
-  .mat-padding {
-    padding: 16px;
-  }
-}

-///
-/// Copyright © 2016-2021 The Thingsboard Authors
-///
-/// Licensed under the Apache License, Version 2.0 (the "License");
-/// you may not use this file except in compliance with the License.
-/// You may obtain a copy of the License at
-///
-///     http://www.apache.org/licenses/LICENSE-2.0
-///
-/// Unless required by applicable law or agreed to in writing, software
-/// distributed under the License is distributed on an "AS IS" BASIS,
-/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-/// See the License for the specific language governing permissions and
-/// limitations under the License.
-///
-
-import { Component, Inject, InjectionToken, OnInit, ViewContainerRef } from '@angular/core';
-import { OverlayRef } from '@angular/cdk/overlay';
-import { PageComponent } from '@shared/components/page.component';
-import { Store } from '@ngrx/store';
-import { AppState } from '@core/core.state';
-import { FormBuilder, FormGroup } from '@angular/forms';
-import {
-  LegendConfig,
-  LegendDirection,
-  legendDirectionTranslationMap,
-  LegendPosition,
-  legendPositionTranslationMap
-} from '@shared/models/widget.models';
-
-export const LEGEND_CONFIG_PANEL_DATA = new InjectionToken<any>('LegendConfigPanelData');
-
-export interface LegendConfigPanelData {
-  legendConfig: LegendConfig;
-  legendConfigUpdated: (legendConfig: LegendConfig) => void;
-}
-
-@Component({
-  selector: 'tb-legend-config-panel',
-  templateUrl: './legend-config-panel.component.html',
-  styleUrls: ['./legend-config-panel.component.scss']
-})
-export class LegendConfigPanelComponent extends PageComponent implements OnInit {
-
-  legendConfigForm: FormGroup;
-
-  legendDirection = LegendDirection;
-
-  legendDirections = Object.keys(LegendDirection);
-
-  legendDirectionTranslations = legendDirectionTranslationMap;
-
-  legendPosition = LegendPosition;
-
-  legendPositions = Object.keys(LegendPosition);
-
-  legendPositionTranslations = legendPositionTranslationMap;
-
-  constructor(@Inject(LEGEND_CONFIG_PANEL_DATA) public data: LegendConfigPanelData,
-              public overlayRef: OverlayRef,
-              protected store: Store<AppState>,
-              public fb: FormBuilder,
-              public viewContainerRef: ViewContainerRef) {
-    super(store);
-  }
-
-  ngOnInit(): void {
-    this.legendConfigForm = this.fb.group({
-      direction: [this.data.legendConfig.direction, []],
-      position: [this.data.legendConfig.position, []],
-      sortDataKeys: [this.data.legendConfig.sortDataKeys, []],
-      showMin: [this.data.legendConfig.showMin, []],
-      showMax: [this.data.legendConfig.showMax, []],
-      showAvg: [this.data.legendConfig.showAvg, []],
-      showTotal: [this.data.legendConfig.showTotal, []]
-    });
-    this.legendConfigForm.get('direction').valueChanges.subscribe((direction: LegendDirection) => {
-      this.onDirectionChanged(direction);
-    });
-    this.onDirectionChanged(this.data.legendConfig.direction);
-    this.legendConfigForm.valueChanges.subscribe(() => {
-      this.update();
-    });
-  }
-
-  private onDirectionChanged(direction: LegendDirection) {
-    if (direction === LegendDirection.row) {
-      let position: LegendPosition = this.legendConfigForm.get('position').value;
-      if (position !== LegendPosition.bottom && position !== LegendPosition.top) {
-        position = LegendPosition.bottom;
-      }
-      this.legendConfigForm.patchValue(
-        {
-          position
-        }, {emitEvent: false}
-      );
-    }
-  }
-
-  update() {
-    const newLegendConfig: LegendConfig = this.legendConfigForm.value;
-    this.data.legendConfigUpdated(newLegendConfig);
-  }
-
-}