Move RootFolderAppState to root AppState

(cherry picked from commit 5e1b46d2aa8d6621db38e6ddb077a8dd591a9aca)

Close #8928

frontend/src/App/State/SettingsAppState.ts

@@ -10,7 +10,6 @@ import ImportList from 'typings/ImportList';
 import Indexer from 'typings/Indexer';
 import Notification from 'typings/Notification';
 import QualityProfile from 'typings/QualityProfile';
-import RootFolder from 'typings/RootFolder';
 import { UiSettings } from 'typings/UiSettings';
 
 export interface DownloadClientAppState
@@ -36,11 +35,6 @@ export interface QualityProfilesAppState
   extends AppSectionState<QualityProfile>,
     AppSectionSchemaState<QualityProfile> {}
 
-export interface RootFolderAppState
-  extends AppSectionState<RootFolder>,
-    AppSectionDeleteState,
-    AppSectionSaveState {}
-
 export type LanguageSettingsAppState = AppSectionState<Language>;
 export type UiSettingsAppState = AppSectionItemState<UiSettings>;
 
@@ -51,7 +45,6 @@ interface SettingsAppState {
   languages: LanguageSettingsAppState;
   notifications: NotificationAppState;
   qualityProfiles: QualityProfilesAppState;
-  rootFolders: RootFolderAppState;
   ui: UiSettingsAppState;
 }