package/transmission: bump version to 2.9.4

Removed patch 0003, a different fix was committed upstream:
https://github.com/transmission/transmission/commit/b21a6140e963491f146293c9b0a2863a9ae99ad3

Renumbered remaining patches.

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
6 files changed