SeqManager: remove unnecesary 'extern' declarations
SeqManager: remove unnecesary 'extern' declarations

versatica/mediasoup,versatica/mediasoup,versatica/mediasoup,ibc/MediaSoup,ibc/MediaSoup,versatica/mediasoup,versatica/mediasoup,versatica/mediasoup,versatica/mediasoup,versatica/mediasoup,ibc/MediaSoup,versatica/mediasoup