[DLStreamer] Fix PYTHONPATH for gstgva module (open-edge-platform#155)

Co-authored-by: Dawid Michalowski <dawid.michalowski@intel.com>

Author: tbujewsk

libraries/dl-streamer/scripts/hello_dlstreamer.sh

@@ -78,7 +78,7 @@ export GST_PLUGIN_PATH=/opt/intel/dlstreamer/build/intel64/Release/lib:/opt/inte
 export LD_LIBRARY_PATH=/opt/intel/dlstreamer/gstreamer/lib:/opt/intel/dlstreamer/build/intel64/Release/lib:/opt/intel/dlstreamer/lib/gstreamer-1.0:/usr/lib:/opt/intel/dlstreamer/build/intel64/Release/lib:/opt/opencv:/opt/openh264:/opt/rdkafka:/opt/ffmpeg:/usr/local/lib/gstreamer-1.0:/usr/local/lib
 export LIBVA_DRIVERS_PATH=/usr/lib/x86_64-linux-gnu/dri
 export GST_VA_ALL_DRIVERS=1
-export PYTHONPATH=/opt/intel/dlstreamer/gstreamer/lib/python3/dist-packages:/home/dlstreamer/dlstreamer/python:/opt/intel/dlstreamer/gstreamer/lib/python3/dist-packages:
+export PYTHONPATH=/opt/intel/dlstreamer/gstreamer/lib/python3/dist-packages:/opt/intel/dlstreamer/python:/opt/intel/dlstreamer/gstreamer/lib/python3/dist-packages:
 export GI_TYPELIB_PATH=/opt/intel/dlstreamer/gstreamer/lib/girepository-1.0:/usr/lib/x86_64-linux-gnu/girepository-1.0
 export PATH=/opt/intel/dlstreamer/gstreamer/bin:/opt/intel/dlstreamer/build/intel64/Release/bin:/home/$USER/.local/bin:/home/$USER/python3venv/bin:$PATH