Cleanup

app/src/main/java/eu/faircode/email/FragmentRule.java

@@ -25,7 +25,6 @@ import android.app.Dialog;
 import android.app.TimePickerDialog;
 import android.content.Context;
 import android.content.Intent;
-import android.content.SharedPreferences;
 import android.database.Cursor;
 import android.graphics.Color;
 import android.media.RingtoneManager;
@@ -65,7 +64,6 @@ import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.constraintlayout.widget.Group;
 import androidx.fragment.app.DialogFragment;
 import androidx.lifecycle.Lifecycle;
-import androidx.preference.PreferenceManager;
 
 import com.google.android.material.bottomnavigation.BottomNavigationView;
 import com.google.android.material.snackbar.Snackbar;