Remove reference to setuptools_git
Remove reference to setuptools_git

It is not needed for any purpose and was superseeded a while ago.

Change-Id: I53f318cc49916afeea749d4fd8aa5a0bafa567a7

FedericoRessi/networking-odl,flavio-fernandes/networking-odl,openstack/networking-odl,openstack/networking-odl,schoksey/networking-odl,FedericoRessi/networking-odl,schoksey/networking-odl,mestery/x-stackforge-odl,CiscoSystems/networking-odl,openstack/networking-odl,CiscoSystems/networking-odl,flavio-fernandes/networking-odl