remove unsed imports

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/src/main/java/com/nextcloud/talk/controllers/SettingsController.java

@@ -107,7 +107,6 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.core.content.ContextCompat;
-import androidx.core.content.res.ResourcesCompat;
 import androidx.core.view.ViewCompat;
 import androidx.emoji.widget.EmojiTextView;
 import androidx.work.OneTimeWorkRequest;