rtpsession: Remove useless ref
rtpsession: Remove useless ref

kakaroto/farstream,pexip/farstream,kakaroto/farstream,shadeslayer/farstream,shadeslayer/farstream,tieto/farstream,tieto/farstream,pexip/farstream,pexip/farstream,tieto/farstream,pexip/farstream,kakaroto/farstream,shadeslayer/farstream,kakaroto/farstream,ahmedammar/skype_farsight2,ahmedammar/skype_farsight2,tieto/farstream,ahmedammar/skype_farsight2,tieto/farstream,shadeslayer/farstream,ahmedammar/skype_farsight2