[check_ram] Remove README.md file

This patch removes the README.md file and adds the documentation
directly in the sphinx role documentation index. All variables have been
commented with a proper description to be included automatically in the
sphinx build.

Change-Id: I36c9a86eabb9a297f75c9a4ca2bde8aaa0a1fcd3
Signed-off-by: Gael Chamoulaud (Strider) <gchamoul@redhat.com>

doc/source/roles/role-check_ram.rst

@@ -2,5 +2,47 @@
 check_ram
 =========
 
+--------------
+About The Role
+--------------
+
+An Ansible role to check if the Host(s) fit(s) the RAM requirements.
+
+Requirements
+============
+
+No requirements.
+
+Dependencies
+============
+
+No dependencies.
+
+Example Playbook
+================
+
+.. code-block:: yaml
+
+   - hosts: localhost
+     gather_facts: false
+     vars:
+       minimal_ram_gb: 42
+     roles:
+       - check_ram
+
+License
+=======
+
+Apache
+
+Author Information
+==================
+
+**Red Hat TripleO DFG:DF Squad:VF**
+
+----------------
+Full Description
+----------------
+
 .. ansibleautoplugin::
    :role: validations_common/roles/check_ram

validations_common/roles/check_ram/README.md

@@ -1,36 +0,0 @@
-Undercloud-ram
-==============
-
-An Ansible role to check if the Undercloud fits the RAM requirements
-
-Requirements
-------------
-
-This role could be used before or/and after the Undercloud installation
-
-Role Variables
---------------
-
-- min_undercloud_ram_gb: <24> -- Minimal amount of RAM in GB
-
-Dependencies
-------------
-
-No dependencies.
-
-Example Playbook
-----------------
-
-    - hosts: undercloud
-      roles:
-         - { role: undercloud-ram, min_undercloud_ram_gb: 24 }
-
-License
--------
-
-Apache
-
-Author Information
-------------------
-
-Red Hat TripleO Validations Team

validations_common/roles/check_ram/defaults/main.yml

@@ -1,2 +1,3 @@
 ---
+# Minimal amount of RAM (in GB)
 minimal_ram_gb: 24