Updated 2.0 docs, merged with master and removed docs for features in 2.1, doc…

Updated 2.0 docs, merged with master and removed docs for features in 2.1, doc updates related to 2.0 needs to be done to this branch

docs/sources/installation/configuration.md

@@ -179,7 +179,6 @@ Client ID and a Client Secret. Specify these in the grafana config file. Example
     client_id = YOUR_GITHUB_APP_CLIENT_ID
     client_secret = YOUR_GITHUB_APP_CLIENT_SECRET
     scopes = user:email
-    team_ids =
     auth_url = https://github.com/login/oauth/authorize
     token_url = https://github.com/login/oauth/access_token
     allow_sign_up = false
@@ -190,21 +189,6 @@ now login or signup with your github accounts.
 You may allow users to sign-up via github auth by setting allow_sign_up to true. When this option is
 set to true, any user successfully authenticating via github auth will be automatically signed up.
 
-### team_ids
-Require an active team membership for at least one of the given teams on GitHub.
-If the authenticated user isn't a member of at least one the teams they will not
-be able to register or authenticate with your Grafana instance. Example:
-
-    [auth.github]
-    enabled = true
-    client_id = YOUR_GITHUB_APP_CLIENT_ID
-    client_secret = YOUR_GITHUB_APP_CLIENT_SECRET
-    scopes = user:email
-    team_ids = 150,300
-    auth_url = https://github.com/login/oauth/authorize
-    token_url = https://github.com/login/oauth/access_token
-    allow_sign_up = false
-
 ## [auth.google]
 You need to create a google project. You can do this in the [Google Developer Console](https://console.developers.google.com/project).
 When you create the project you will need to specify a callback URL. Specify this as callback: