move delete link from show to index view

app/views/users/_user.html.slim

 tr
+  td= link_to user.email, user
+  td= t("role.#{user.role}")
   td
-    = link_to user.email, user
-  td
-    = t("role.#{user.role}")
+    - if policy(user).destroy?
+      = link_to t_action(:destroy), user, data: { confirm: t('are_you_sure')}, method: :delete

app/views/users/index.html.slim

@@ -9,6 +9,7 @@
         tr
           th= t_attr(:email)
           th= t_attr(:role)
+          th=
       tbody
         = render @users
 

app/views/users/show.html.slim

@@ -8,5 +8,6 @@
     strong= t_attr(:role)
   .col-md-8 = t("role.#{@user.role}")
 
-- if policy(@user).destroy?
-  = link_to t_action(:destroy), @user, data: { confirm: t('are_you_sure')}, method: :delete, class: 'btn btn-danger'
+.row
+  .col-xs-12
+    p= link_to t('back'), clients_path, class: 'btn btn-default'