Deprecate Koding in docs

doc/README.md

@@ -160,7 +160,6 @@ have access to GitLab administration tools and settings.
 ### Integrations
 
 - [Integrations](integration/README.md): How to integrate with systems such as JIRA, Redmine, Twitter.
-- [Koding](administration/integration/koding.md): Set up Koding to use with GitLab.
 - [Mattermost](user/project/integrations/mattermost.md): Set up GitLab with Mattermost.
 
 ### Monitoring

doc/administration/integration/koding.md

 # Koding & GitLab
 
-> [Introduced][ce-5909] in GitLab 8.11.
+>**Notes:**
+- **As of GitLab 10.0, the Koding integration is deprecated and will be removed
+  in a future version. The option to configure it is removed from GitLab's admin
+  area.**
+- [Introduced][ce-5909] in GitLab 8.11.
 
 This document will guide you through installing and configuring Koding with
 GitLab.

doc/ci/environments.md

@@ -274,9 +274,7 @@ session -  and even a multiplexer like `screen` or `tmux`!
 >**Note:**
 Container-based deployments often lack basic tools (like an editor), and may
 be stopped or restarted at any time. If this happens, you will lose all your
-changes! Treat this as a debugging tool, not a comprehensive online IDE. You
-can use [Koding](../administration/integration/koding.md) for online
-development.
+changes! Treat this as a debugging tool, not a comprehensive online IDE.
 
 ---
 

doc/integration/README.md

@@ -13,7 +13,6 @@ Bitbucket.org account
 - [External issue tracker](external-issue-tracker.md) Redmine, JIRA, etc.
 - [Gmail actions buttons](gmail_action_buttons_for_gitlab.md) Adds GitLab actions to messages
 - [JIRA](../user/project/integrations/jira.md) Integrate with the JIRA issue tracker
-- [Koding](../administration/integration/koding.md) Configure Koding to use IDE integration
 - [LDAP](ldap.md) Set up sign in via LDAP
 - [OAuth2 provider](oauth_provider.md) OAuth2 application creation
 - [OmniAuth](omniauth.md) Sign in via Twitter, GitHub, GitLab.com, Google, Bitbucket, Facebook, Shibboleth, SAML, Crowd, Azure and Authentiq ID

doc/user/project/index.md

@@ -67,8 +67,6 @@ website with GitLab Pages
 **Other features:**
 
 - [Cycle Analytics](cycle_analytics.md): Review your development lifecycle
-- [Koding integration](koding.md) (not available on GitLab.com): Integrate
-with Koding to have access to a web terminal right from the GitLab UI
 - [Syntax highlighting](highlighting.md): An alternative to customize
 your code blocks, overriding GitLab's default choice of language
 

doc/user/project/koding.md

 # Koding integration
 
-> [Introduced][ce-5909] in GitLab 8.11.
+>**Notes:**
+- **As of GitLab 10.0, the Koding integration is deprecated and will be removed
+  in a future version.**
+- [Introduced][ce-5909] in GitLab 8.11.
 
 This document will guide you through using Koding integration on GitLab in
 detail. For configuring and installing please follow the