GitLab

- Eliminate _transform_rtmp_url
* Generalize triforce mgid extraction
+ [cmt] Add support for full-episodes (closes #11623)

Just a minor fix for openload

- remove check for requires_subscription
- extract more formats
- extract subtitles

method attribute may not be present

These methods are used across codebase with old number of arguments

Seen on video with id 1t24XAntNCY

Individual egghead videos are already handled by the generic/Wistia extractors.