Remove functions in string module that are also string methods. Also remove:

* all calls to functions in the string module (except maketrans)
 * everything from stropmodule except for maketrans() which is still used

Lib/test/test_future2.py

@@ -1,6 +1,6 @@
 """This is a test"""
 
-from __future__ import nested_scopes; import string
+from __future__ import nested_scopes; import site
 
 def f(x):
     def g(y):