Complete full migration to Coil: remove legacy cache and update all components

Author: zerox80

opencloudApp/src/main/java/eu/opencloud/android/MainApp.kt

@@ -39,7 +39,7 @@ import android.widget.CheckBox
 import androidx.appcompat.app.AlertDialog
 import androidx.core.content.pm.PackageInfoCompat
 import eu.opencloud.android.data.providers.implementation.OCSharedPreferencesProvider
-import eu.opencloud.android.datamodel.ThumbnailsCacheManager
+
 import eu.opencloud.android.db.PreferenceManager
 import eu.opencloud.android.dependecyinjection.commonModule
 import eu.opencloud.android.dependecyinjection.localDataSourceModule
@@ -117,7 +117,9 @@ class MainApp : Application() {
         SingleSessionManager.setUserAgent(userAgent)
 
         // initialise thumbnails cache on background thread
-        // ThumbnailsCacheManager.InitDiskCacheTask().execute()
+        // initialise thumbnails cache on background thread
+        
+
 
         initDependencyInjection()