Got rid of useless Toast from testing

app/src/main/java/org/schabi/newpipe/VideoItemListActivity.java

@@ -14,7 +14,6 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.inputmethod.InputMethodManager;
-import android.widget.Toast;
 
 import java.util.ArrayList;