UI: Typo delete invalid alarm-type hint

@@ -44,8 +44,6 @@
       <mat-error *ngIf="alarmFormGroup.get('alarmType').hasError('unique')">
         {{ 'device-profile.alarm-type-unique' | translate }}
       </mat-error>
-      <mat-hint *ngIf="!disabled"
-                innerHTML="{{ 'device-profile.alarm-type-pattern-hint' | translate }}"></mat-hint>
     </mat-form-field>
   </div>
   <mat-expansion-panel class="advanced-settings" [expanded]="false">

@@ -943,7 +943,6 @@
         "alarm-type": "Alarm type",
         "alarm-type-required": "Alarm type is required.",
         "alarm-type-unique": "Alarm type must be unique within the device profile alarm rules.",
-        "alarm-type-pattern-hint": "Alarm type pattern, use <code>${metaKeyName}</code> to substitute variables from metadata",
         "create-alarm-pattern": "Create <b>{{alarmType}}</b> alarm",
         "create-alarm-rules": "Create alarm rules",
         "no-create-alarm-rules": "No create conditions configured",