Code cleanup.

frontend/app/features/content/pages/content/editor/content-field.component.ts

@@ -6,7 +6,7 @@
  */
 
 import { Component, EventEmitter, HostBinding, Input, OnChanges, Output, SimpleChanges } from '@angular/core';
-import { AppLanguageDto, AppsState, EditContentForm, FieldForm, invalid$, LocalStoreService, SchemaDto, Settings, StringFieldPropertiesDto, TranslationsService, Types, value$ } from '@app/shared';
+import { AppLanguageDto, AppsState, EditContentForm, FieldForm, invalid$, LocalStoreService, SchemaDto, Settings, TranslationsService, Types, value$ } from '@app/shared';
 import { combineLatest, Observable } from 'rxjs';
 import { map } from 'rxjs/operators';