[PRQ#43572] Deletion Request for python-jpegtran-cffi

MarsSeed [1] filed a deletion request for python-jpegtran-cffi [2]: Update to latest master branch commit (with version 0.5.3.dev), which supports cffi>=1.0. Drop unneeded python2 package. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/python-jpegtran-cffi/