Remove logging and charade mention.

Logging is Not Allowed, so out it goes.

requests/models.py

@@ -725,7 +725,7 @@ class Response(object):
         if not self.encoding and len(self.content) > 3:
             # No encoding set. JSON RFC 4627 section 3 states we should expect
             # UTF-8, -16 or -32. Detect which one to use; If the detection or
-            # decoding fails, fall back to `self.text` (using charade to make
+            # decoding fails, fall back to `self.text` (using chardet to make
             # a best guess).
             encoding = guess_json_utf(self.content)
             if encoding is not None:
@@ -737,8 +737,6 @@ class Response(object):
                     # and the server didn't bother to tell us what codec *was*
                     # used.
                     pass
-            log.warn('No encoding specified for JSON response, and no '
-                     'UTF codec detected. Falling back to charade best guess.')
         return json.loads(self.text, **kwargs)
 
     @property