Remove invite comments from UI (#12068)

Due to UX confusion and insufficient time to fix it

app/views/invites/_form.html.haml

@@ -10,8 +10,5 @@
   .fields-group
     = f.input :autofollow, wrapper: :with_label
 
-  .fields-group
-    = f.input :comment, wrapper: :with_label, input_html: { maxlength: 420 }
-
   .actions
     = f.button :button, t('invites.generate'), type: :submit

app/views/invites/_invite.html.haml

@@ -20,9 +20,6 @@
     %td{ colspan: 2 }
       = t('invites.expired')
 
-  %td
-    = invite.comment
-
   %td
     - if invite.valid_for_use? && policy(invite).destroy?
       = table_link_to 'times', t('invites.delete'), invite_path(invite), method: :delete

app/views/invites/index.html.haml

@@ -15,7 +15,6 @@
         %th
         %th= t('invites.table.uses')
         %th= t('invites.table.expires_at')
-        %th= t('invites.table.comment')
         %th
     %tbody
       = render @invites