refactor: remove unused FileOpener2 dependency

src/app/modules/schedule/schedule.module.ts

@@ -35,7 +35,6 @@ import {SwiperModule} from 'swiper/angular';
 import {ScheduleDayComponent} from './page/grid/schedule-day.component';
 import {ThingTranslateModule} from '../../translation/thing-translate.module';
 import {InfiniteSwiperComponent} from './page/grid/infinite-swiper.component';
-import {FileOpener} from '@ionic-native/file-opener/ngx';
 import {CalendarComponent} from './page/components/calendar.component';
 import {IonIconModule} from '../../util/ion-icon/ion-icon.module';
 
@@ -77,6 +76,6 @@ const settingsRoutes: Routes = [
     UtilModule,
     ThingTranslateModule,
   ],
-  providers: [ScheduleProvider, DataProvider, DateFormatPipe, FileOpener],
+  providers: [ScheduleProvider, DataProvider, DateFormatPipe],
 })
 export class ScheduleModule {}

src/app/modules/settings/settings.module.ts

@@ -27,7 +27,6 @@ import {SettingTranslatePipe} from './setting-translate.pipe';
 import {SettingsProvider} from './settings.provider';
 import {CalendarSyncSettingsComponent} from './page/calendar-sync-settings.component';
 import {ScheduleProvider} from '../calendar/schedule.provider';
-import {FileOpener} from '@ionic-native/file-opener/ngx';
 import {ThingTranslatePipe} from '../../translation/thing-translate.pipe';
 import {ScheduleSyncService} from '../background/schedule/schedule-sync.service';
 import {CalendarService} from '../calendar/calendar.service';
@@ -69,7 +68,6 @@ const settingsRoutes: Routes = [
     SettingsProvider,
     CalendarService,
     ScheduleProvider,
-    FileOpener,
     ThingTranslatePipe,
   ],
 })