Log Message:
subliminal: Update to 2.1.0

pkgsrc changes:
 - Remove no longer needed patches

Changes:
2.1.0
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 * Improve legendastv provider matches
 * Fix video extensions (.mk3d .ogm .ogv)
 * Use new url to search for titles in legendastv provider
 * Fix stevedore incompatibility
 * Add support to webm video extension
 * Make providers easier to be extended and customized
 * Update podnapisi URL
 * Add support to VIP/Donor accounts in legendastv provider
 * Proper handling titles with year / country in legendastv provider
 * Several minor enhancements in legendastv provider
 * Add support for python 3.6, 3.7 and 3.8
 * Drop support for python 3.3 and 3.4
 * Do not discard providers bad zip/rar is downloaded
 * SubsCenter provider removal
 * Fix lxml parsing for Addic7ed provider
 * Support titles with asterics in Addic7ed provider
 * Add support to multi-episode search in Opensubtitles provider
 * Fix multi-episode search in TVSubtitles provider
 * Update to guessit 3
 * Improve archive scanning
 * Add Opensubtitles VIP provider
 * Add country to Movie and Episode
 * Add streaming_service to Video
 * Add info property to Subtitle
 * Do not search for subtitles if all required languages is already present
 * Improve TVDB refiner to support series with comma
 * Add alternative_titles to Video and enhance OMDB refiner to use alternative_titles
 * Only compute video hashes when required
 * Add apikey to OMDB refiner
 * Fix Subtitle validation when unable to guess encoding
 * Add support to rar in Dockerfile