Remove assertions in RTCVideoEncoderH264 that are wrong in case of simulcast
Created attachment 405034 [details] Patch
Created attachment 405037 [details] Patch
Committed r264815: <https://trac.webkit.org/changeset/264815> All reviewed patches have been landed. Closing bug and clearing flags on attachment 405037 [details].
<rdar://problem/66043468>