drbd: cleanup readme

drbd/README.md

@@ -5,23 +5,3 @@ Install tools to setup DRBD replication accross servers.
 ## Tasks
 
 Everything is in the `tasks/main.yml` file.
-
-## Available variables
-
-The variable `admin_users` must be a "dict" of one or more users :
-
-```
-admin_users:
-  foo:
-    name: foo
-    uid: 1001
-    fullname: 'Mr Foo'
-    password_hash: 'sdfgsdfgsdfgsdfg'
-    ssh_key: 'ssh-rsa AZERTYXYZ'
-  bar:
-    name: bar
-    uid: 1002
-    fullname: 'Mr Bar'
-    password_hash: 'gsdfgsdfgsdfgsdf'
-    ssh_key: 'ssh-rsa QWERTYUIOP'
-```