Revert "git 1.7 support"
Revert "git 1.7 support"

This reverts commit 2c6d051d7c87aa3d608fc385277cfaa29be66eae.

The commit was added to fix version issues on old Linux systems.
However, _version.py is autogenerated and should not contain
changes.

CINPLA/exdir,CINPLA/exdir,CINPLA/exdir