The Message UID is already the key to self.messagelist, so we have that
information. It is redundant to save the UID again as
self.messagelist[uid]{'uid': uid} and we never made use of the
information anyway.
The same thing should be done with the other 2 backends.
Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
32ca20d0da