Some platforms disable/remove software parsers because of the way encrypted playback is implemented, but we still want working MSE playback there.
Pull request: https://github.com/WebKit/WebKit/pull/5861
Committed 256222@main (b84521e66ded): <https://commits.webkit.org/256222@main> Reviewed commits have been landed. Closing PR #5861 and removing active labels.
<rdar://problem/101852494>