Remove Java function GameActivity.openURLFromLOVE()

SDL_OpenURL() is now used instead.

app/src/main/java/org/love2d/android/GameActivity.java

@@ -215,12 +215,6 @@ public class GameActivity extends SDLActivity {
         }
     }
 
-    @Keep
-    public boolean openURLFromLOVE(String url) {
-        Log.d(TAG, "opening url = " + url);
-        return openURL(url) == 0;
-    }
-
     @Keep
     public boolean hasBackgroundMusic() {
         AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);