legacy_shell.py shouldn't be executable
legacy_shell.py shouldn't be executable

Change-Id: Ife6e9e47ece3971a3872e781a39e30bcb38e3bf7

citrix-openstack-build/python-glanceclient,openstack/python-glanceclient,metacloud/python-glanceclient,ntt-sic/python-glanceclient,alexpilotti/python-glanceclient,mmasaki/python-glanceclient,JioCloud/python-glanceclient,metacloud/python-glanceclient,varunarya10/python-glanceclient,klmitch/python-glanceclient,ntt-sic/python-glanceclient,klmitch/python-glanceclient,alexpilotti/python-glanceclient,varunarya10/python-glanceclient,openstack/python-glanceclient,citrix-openstack-build/python-glanceclient,mmasaki/python-glanceclient,JioCloud/python-glanceclient