Fix PartialConnection.url (#504)

also removed facebook connection URL since we talked about this before on how its URL render fails if fb connection name has spaces in it and how facebook assigns different UID than actual users UID for privacy reasons etc.

discord/connections.py

@@ -124,15 +124,13 @@ class PartialConnection:
         if self.type == ConnectionType.twitch:
             return f'https://www.twitch.tv/{self.name}'
         elif self.type == ConnectionType.youtube:
-            return f'https://www.youtube.com/{self.id}'
+            return f'https://www.youtube.com/channel/{self.id}'
         elif self.type == ConnectionType.skype:
             return f'skype:{self.id}?userinfo'
         elif self.type == ConnectionType.steam:
             return f'https://steamcommunity.com/profiles/{self.id}'
         elif self.type == ConnectionType.reddit:
             return f'https://www.reddit.com/u/{self.name}'
-        elif self.type == ConnectionType.facebook:
-            return f'https://www.facebook.com/{self.name}'
         elif self.type == ConnectionType.twitter:
             return f'https://twitter.com/{self.name}'
         elif self.type == ConnectionType.spotify: