Fixed error in documentation

Syoc · Byron · commit 7a6ca8c40433 · 2019-01-12T09:11:54.000+01:00
The renamed_file function contains the following which ends up on readthedocs: 
  :note: This property is deprecated, please use ``renamed_file`` instead.

Removed the line
diff --git a/git/diff.py b/git/diff.py
@@ -384,7 +384,6 @@ def renamed(self):
     @property
     def renamed_file(self):
         """:returns: True if the blob of our diff has been renamed
-        :note: This property is deprecated, please use ``renamed_file`` instead.
         """
         return self.rename_from != self.rename_to
 
