rtptfrc: Remove duplicated on-ssrc-validated hook
rtptfrc: Remove duplicated on-ssrc-validated hook

pexip/farstream,tieto/farstream,pexip/farstream,tieto/farstream,pexip/farstream,tieto/farstream,shadeslayer/farstream,shadeslayer/farstream,kakaroto/farstream,shadeslayer/farstream,shadeslayer/farstream,kakaroto/farstream,tieto/farstream,pexip/farstream,kakaroto/farstream,kakaroto/farstream,tieto/farstream