Cleanup: automatic code inspection via Android Studio.

src/main/java/de/dennisguse/opentracks/settings/ResetDialogPreference.java

@@ -4,7 +4,6 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.preference.DialogPreference;
 import android.util.AttributeSet;
-import android.view.View;
 import android.widget.Toast;
 
 import de.dennisguse.opentracks.R;
@@ -16,11 +15,6 @@ public class ResetDialogPreference extends DialogPreference {
         super(context, attrs);
     }
 
-    @Override
-    protected View onCreateDialogView() {
-        return super.onCreateDialogView();
-    }
-
     @Override
     public void onClick(DialogInterface dialog, int which) {
         super.onClick(dialog, which);