Log Message:
youtube-dl: Update to 20210210

Changes:
version 2021.02.10
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Extractors
* [youtube:tab] Improve grid continuation extraction (#28130)
* [ign] Fix extraction (#24771)
+ [xhamster] Extract format filesize
+ [xhamster] Extract formats from xplayer settings (#28114)
+ [youtube] Add support phone/tablet JS player (#26424)
* [archiveorg] Fix and improve extraction (#21330, #23586, #25277, #26780,
  #27109, #27236, #28063)
+ [cda] Detect geo restricted videos (#28106)
* [urplay] Fix extraction (#28073, #28074)
* [youtube] Fix release date extraction (#28094)
+ [youtube] Extract abr and vbr (#28100)
* [youtube] Skip OTF formats (#28070)

version 2021.02.04.1
--------------------
Extractors
* [youtube] Prefer DASH formats (#28070)
* [azmedien] Fix extraction (#28064)

version 2021.02.04
------------------
Extractors
* [pornhub] Implement lazy playlist extraction
* [svtplay] Fix video id extraction (#28058)
+ [pornhub] Add support for authentication (#18797, #21416, #24294)
* [pornhub:user] Improve paging
+ [pornhub:user] Add support for URLs unavailable via /videos page (#27853)
+ [bravotv] Add support for oxygen.com (#13357, #22500)
+ [youtube] Pass embed URL to get_video_info request
* [ccma] Improve metadata extraction (#27994)
    + Extract age limit, alt title, categories, series and episode number
    * Fix timestamp multiple subtitles extraction
* [egghead] Update API domain (#28038)
- [vidzi] Remove extractor (#12629)
* [vidio] Improve metadata extraction
* [youtube] Improve subtitles extraction
* [youtube] Fix chapter extraction fallback
* [youtube] Rewrite extractor
    * Improve format sorting
    * Remove unused code
    * Fix series metadata extraction
    * Fix trailer video extraction
    * Improve error reporting
    + Extract video location
+ [vvvvid] Add support for youtube embeds (#27825)
* [googledrive] Report download page errors (#28005)
* [vlive] Fix error message decoding for python 2 (#28004)
* [youtube] Improve DASH formats file size extraction
* [cda] Improve birth validation detection (#14022, #27929)
+ [awaan] Extract uploader id (#27963)
+ [medialaan] Add support DPG Media MyChannels based websites (#14871, #15597,
  #16106, #16489)
* [abcnews] Fix extraction (#12394, #27920)
* [AMP] Fix upload date and timestamp extraction (#27970)
* [tv4] Relax URL regular expression (#27964)
+ [tv2] Add support for mtvuutiset.fi (#27744)
* [adn] Improve login warning reporting
* [zype] Fix uplynk id extraction (#27956)
+ [adn] Add support for authentication (#17091, #27841, #27937)