[aur-general] [merge] python-gflags into python2-gflags

[Ike Devolder]

i've just renamed python-gflags to python2-gflags since the name reflects
more where it can be used

thx for merging

python-gflags: https://aur.archlinux.org/packages.php?ID=41480
python2-gflags: https://aur.archlinux.org/packages.php?ID=52767