webadmin: remove quota comsumer is broken

Although we use MLA dialogs, there is another treatment for
consume_quota role (i.e. hiding it). generalizing it with
other remove permission dialog creates an error.

Bug-Url: https://bugzilla.redhat.com/1017740
Change-Id: I794983826b8b6fc9fffc6f504db11fce00788633
Signed-off-by: Gilad Chaplik <gchaplik@redhat.com>