removed faked_scopes, was only necessary because of weakrefs.

jedi/cache.py

@@ -1,20 +1,17 @@
 memoize_caches = []
-faked_scopes = []
 
 
 def clear_caches():
     """ Jedi caches many things, that should be completed after each completion
     finishes.
     """
-    global memoize_caches, faked_scopes
+    global memoize_caches
 
     # memorize_caches must never be deleted, because the dicts will get lost in
     # the wrappers.
     for m in memoize_caches:
         m.clear()
 
-    faked_scopes = []  # TODO really needed anymore? weakrefs are gone...
-
 
 def memoize_default(default=None):
     """ This is a typical memoization decorator, BUT there is one difference: