folder/Maildir.py Removed unused variables

These variables are not used.

offlineimap/folder/Maildir.py

@@ -193,7 +193,6 @@ class MaildirFolder(BaseFolder):
                 nouidcounter -= 1
             else:  # It comes from our folder.
                 uidmatch = re_uidmatch.search(filename)
-                uid = None
                 if not uidmatch:
                     uid = nouidcounter
                     nouidcounter -= 1
@@ -358,10 +357,6 @@ class MaildirFolder(BaseFolder):
             self.savemessageflags(uid, flags)
             return uid
 
-        # Otherwise, save the message in tmp/ and then call savemessageflags()
-        # to give it a permanent home.
-        tmpdir = os.path.join(self.getfullname(), 'tmp')
-
         # Use the mail timestamp given by either Date or Delivery-date mail
         # headers.
         message_timestamp = None