patchwork-bot: remove xmlrpc vestiges

We used to need xmlrpc because API < 1.2 didn't expose ability to search
patches by hash. Now that it's available in API 1.2, we can get rid of
all xmlrpc calls and just leave the REST api support.

Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
1 file changed