Fix installation freezer dashboard
Fix installation freezer dashboard

Change _7050_freezer.py to _7050_freezer_remove_panel_.py
in the README.rst

Change-Id: I8c057880f0ac055c3fdff830e611ffdc0a143c85

openstack/freezer-web-ui,openstack/freezer-web-ui,openstack/freezer-web-ui,openstack/freezer-web-ui