Drop no longer used mysql_server task

tasks/mysql_server.yml

@@ -1,18 +0,0 @@
----
-#
-# Setup mysql server. 
-#
-- name: install mysql server packages
-  yum: name={{ item }} state=present
-  with_items:
-  - mysql-server
-  tags:
-  - packages
-
-- name: install our my.cnf
-  copy: src="{{ files }}/mysql/my.cnf" dest=/etc/my.cnf owner=root group=root mode=0644
-
-- name: Set mysql-server to run
-  service: name=mysqld enabled=yes state=running
-  tags:
-  - service