clean-up: remove unused method

app/src/main/java/org/schabi/newpipe/download/DownloadActivity.java

@@ -61,6 +61,7 @@ public class DownloadActivity extends AppCompatActivity {
                 .commit();
     }
 
+    @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         super.onCreateOptionsMenu(menu);
         MenuInflater inflater = getMenuInflater();
@@ -86,9 +87,4 @@ public class DownloadActivity extends AppCompatActivity {
                 return super.onOptionsItemSelected(item);
         }
     }
-
-    @Override
-    public void onRestoreInstanceState(Bundle inState){
-        super.onRestoreInstanceState(inState);
-    }
 }