removed two not-needed initializations for appPreferences

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

src/main/java/com/owncloud/android/MainApp.java

@@ -162,7 +162,6 @@ public class MainApp extends MultiDexApplication implements
         DisplayUtils.useCompatVectorIfNeeded();
 
         sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
-        preferences = PreferenceManager.fromContext(this);
         fixStoragePath();
         passCodeManager = new PassCodeManager(preferences);
 

src/main/java/com/owncloud/android/ui/fragment/FileDetailFragment.java

@@ -39,7 +39,12 @@ import android.widget.LinearLayout;
 import android.widget.PopupMenu;
 import android.widget.ProgressBar;
 import android.widget.TextView;
-
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.viewpager.widget.ViewPager;
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.Unbinder;
 import com.google.android.material.tabs.TabLayout;
 import com.nextcloud.client.di.Injectable;
 import com.nextcloud.client.preferences.AppPreferences;
@@ -48,7 +53,6 @@ import com.owncloud.android.R;
 import com.owncloud.android.datamodel.FileDataStorageManager;
 import com.owncloud.android.datamodel.OCFile;
 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
-import com.nextcloud.client.preferences.PreferenceManager;
 import com.owncloud.android.files.FileMenuFilter;
 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
@@ -64,16 +68,8 @@ import com.owncloud.android.utils.DisplayUtils;
 import com.owncloud.android.utils.MimeTypeUtil;
 import com.owncloud.android.utils.ThemeUtils;
 
-import java.lang.ref.WeakReference;
-
 import javax.inject.Inject;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.viewpager.widget.ViewPager;
-import butterknife.BindView;
-import butterknife.ButterKnife;
-import butterknife.Unbinder;
+import java.lang.ref.WeakReference;
 
 /**
  * This Fragment is used to display the details about a file.
@@ -220,7 +216,6 @@ public class FileDetailFragment extends FileFragment implements OnClickListener,
     @Override
     public void onAttach(Activity activity) {
         super.onAttach(activity);
-        preferences = PreferenceManager.fromContext(activity);
     }
 
     @Override