glimagesink is not required for RPi hardware h264 decoding

uxplay.cpp

@@ -484,8 +484,6 @@ int main (int argc, char *argv[]) {
             video_decoder = "v4l2h264dec";
             video_converter.erase();
             video_converter = "v4l2convert";
-            videosink.erase();
-            videosink = "glimagesink";
         } else if (arg == "-FPSdata") {
             show_client_FPS_data = true;
         } else if (arg == "-reset") {