Plugin cleanup and tweaks

plugins/youtube_download/yt_dlp/compat/_deprecated.py

@@ -0,0 +1,16 @@
+"""Deprecated - New code should avoid these"""
+
+import base64
+import urllib.error
+import urllib.parse
+
+compat_str = str
+
+compat_b64decode = base64.b64decode
+
+compat_HTTPError = urllib.error.HTTPError
+compat_urlparse = urllib.parse
+compat_parse_qs = urllib.parse.parse_qs
+compat_urllib_parse_unquote = urllib.parse.unquote
+compat_urllib_parse_urlencode = urllib.parse.urlencode
+compat_urllib_parse_urlparse = urllib.parse.urlparse