Remove socketioconnection use from SimpleWebRTC
Remove socketioconnection use from SimpleWebRTC

The connection object passed to SimpleWebRTC will be always the
signaling object, so there is no need to support socketioconnection.

Signed-off-by: Daniel Calviño Sánchez <bd7629e975cc0e00ea7cda4ab6a120f2ee42ac1b@gmail.com>

nextcloud/spreed,nextcloud/spreed,nextcloud/spreed