Merge branch '30162-retire-koding-integration' into 'master'

Hide Koding setting in admin panel if not enabled

Closes #30162

See merge request !13992

app/views/admin/application_settings/_form.html.haml

@@ -539,6 +539,7 @@
         .help-block
           If you got a lot of false alarms from repository checks you can choose to clear all repository check information from the database.
 
+  - if koding_enabled?
     %fieldset
       %legend Koding
       .form-group
@@ -547,6 +548,8 @@
             = f.label :koding_enabled do
               = f.check_box :koding_enabled
               Enable Koding
+          .help-block
+            Koding integration has been deprecated since GitLab 10.0. If you disable your Koding integration, you will not be able to enable it again.
       .form-group
         = f.label :koding_url, 'Koding URL', class: 'control-label col-sm-2'
         .col-sm-10

changelogs/unreleased/30162-retire-koding-integration.yml

@@ -0,0 +1,4 @@
+---
+title: Deprecation of Koding integration, removal of setting in Admin Panel
+merge_request: 13992
+author: @mydigitalself