Add title to remove dialog of 'Automember' entity

To improve translation quality the title of Remove dialog
should be specified explicitly in the spec and should be an
entire sentence.

Fixes: https://pagure.io/freeipa/issue/7699
Reviewed-By: Serhii Tsymbaliuk <stsymbal@redhat.com>

install/ui/src/freeipa/automember.js

@@ -117,6 +117,7 @@ return {
         height: '300'
     },
     deleter_dialog: {
+        title: '@i18n:objects.automember.remove',
         $factory: IPA.automember.rule_deleter_dialog
     }
 };};

ipaserver/plugins/internal.py

@@ -418,6 +418,7 @@ class i18n_messages(Command):
                 "hostgrouprule": _("Host group rule"),
                 "hostgrouprules": _("Host group rules"),
                 "inclusive": _("Inclusive"),
+                "remove": _("Remove auto membership rules"),
                 "usergrouprule": _("User group rule"),
                 "usergrouprules": _("User group rules"),
             },