Authorization rule manage_group does not exist any more

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/controllers/audit_events_controller.rb

@@ -22,7 +22,7 @@ class AuditEventsController < ApplicationController
   end
 
   def authorize_admin_group!
-    render_404 unless can?(current_user, :manage_group, group)
+    render_404 unless can?(current_user, :admin_group, group)
   end
 
   def determine_layout

app/views/projects/project_members/_shared_group_members.html.haml

@@ -8,7 +8,7 @@
       group, members with
       %strong #{group_links.human_access}
       role (#{shared_group_users_count})
-      - if current_user.can?(:manage_group, shared_group)
+      - if current_user.can?(:admin_group, shared_group)
         .panel-head-actions
           = link_to group_group_members_path(shared_group), class: 'btn btn-sm' do
             %i.fa.fa-pencil-square-o