[dev-libs/*] drop git.eclass users
[dev-python/python-meh] migrate to git-2.eclass
[dev-python/python-cryptsetup] drop old
[dev-python/pyblock] migrate to git-2.eclass
[dev-python/python-report] migrate to git-2.eclass
[dev-util/pykickstart] migrate to git-2.eclass
[games-emulation/dolphin-emu] migrate to git-2.eclass