Do not remove SOURCEDIR in install_rally.sh
Do not remove SOURCEDIR in install_rally.sh

Co-Authored-By: Oleh Anufriiev <57822ed5330c264412de361be335e7a84d5cb2f5@mirantis.com>
Change-Id: Ic7eac45455185c6ba18caf40ba39ecea845f366d

gluke77/rally,vganapath/rally,openstack/rally,openstack/rally,amit0701/rally,gluke77/rally,eonpatapon/rally,gluke77/rally,vganapath/rally,eayunstack/rally,amit0701/rally,amit0701/rally,eonpatapon/rally,eayunstack/rally,openstack/rally,yeming233/rally,vganapath/rally,eayunstack/rally,openstack/rally,gluke77/rally,yeming233/rally,vganapath/rally