remove setup.py refrence to GitPython, the version is specified in requirements-common.txt
remove setup.py refrence to GitPython, the version is specified in requirements-common.txt

Bitergia/allura,apache/allura,heiths/allura,Bitergia/allura,lym/allura-git,lym/allura-git,apache/incubator-allura,apache/allura,heiths/allura,lym/allura-git,heiths/allura,Bitergia/allura,heiths/allura,apache/incubator-allura,apache/incubator-allura,apache/allura,heiths/allura,lym/allura-git,apache/allura,lym/allura-git,Bitergia/allura,Bitergia/allura,apache/allura,apache/incubator-allura