Fix type-hinting in base.py

Author: JonnyWong16

plexapi/base.py

@@ -89,11 +89,6 @@ def __new__(mcs, name, bases, attrs):
         return super().__new__(mcs, name, bases, attrs)
 
 
-class MediaContainerMeta(PlexObjectMeta, type(List)):
-    """Metaclass for MediaContainer that combines PlexObjectMeta with Generic/List metaclass."""
-    pass
-
-
 class PlexObject(metaclass=PlexObjectMeta):
     """ Base class for all Plex objects.
 
@@ -1161,8 +1156,7 @@ def delete(self):
 class MediaContainer(
     Generic[PlexObjectT],
     List[PlexObjectT],
-    PlexObject,
-    metaclass=PlexObjectMeta,
+    PlexObject
 ):
     """ Represents a single MediaContainer.