Update 2021.304.0

Update 2021.304.0
This osu! update is not so rich on bug fixes but still very important for users.
  • Fix token check on callbacks and user registration
  • User Profile Remove skype
  • Update History of osu! 2014
  • Add Tanchiky FA news post
  • Remove unused packageby peppy
  • Fix one more issue with seasonal background loading by peppy