Improve label for Share Update Form
Improve label for Share Update Form

Current label is not clear and to get full information
user needs to hover over info icon, which is not
user-friendly. Change is to remove info icon and to
make label explicit.

Change-Id: I024a56d46586ee17a5f8370fd24b976b296b861c

openstack/manila-ui,openstack/manila-ui,openstack/manila-ui