Fix issue edit button showup

app/views/issues/show.html.haml

@@ -12,10 +12,9 @@
       - else
         = link_to 'Close', project_issue_path(@project, @issue, issue: {state_event: :close }, status_only: true), method: :put, class: "btn grouped close_issue", title: "Close Issue"
 
-    - if can?(current_user, :admin_issue, @issue)
       = link_to edit_project_issue_path(@project, @issue), class: "btn grouped" do
         %i.icon-edit
-      Edit
+        Edit
 
 .pull-right
   .span3#votes= render 'votes/votes_block', votable: @issue