Remove ::1 mysql root user.

The version of puppetlabs-mysql that we use does not remove the local
::1 root user from the mysqld. Explicitly remove this user.

Change-Id: I626fcc77c75a29d3f3cab57217b714e68a30b468

modules/gerrit/manifests/init.pp

@@ -251,6 +251,10 @@ class gerrit(
     }
   }
   include mysql::server::account_security
+  mysql::database_user { 'root@::1':
+    ensure  => absent,
+    require => Class['mysql::config'],
+  }
 
   mysql::db { 'reviewdb':
     user     => 'gerrit2',

modules/jenkins/manifests/slave.pp

@@ -210,6 +210,10 @@ class jenkins::slave(
       }
     }
     include mysql::server::account_security
+    mysql::database_user { 'root@::1':
+      ensure  => absent,
+      require => Class['mysql::config'],
+    }
 
     mysql::db { 'openstack_citest':
       user     => 'openstack_citest',

modules/nodepool/manifests/init.pp

@@ -35,6 +35,11 @@ class nodepool (
   }
 
   include mysql::server::account_security
+  mysql::database_user { 'root@::1':
+    ensure  => absent,
+    require => Class['mysql::config'],
+  }
+
   include mysql::python
 
   mysql::db { 'nodepool':

modules/openstack_project/manifests/wiki.pp

@@ -46,6 +46,10 @@ class openstack_project::wiki (
     }
   }
   include mysql::server::account_security
+  mysql::database_user { 'root@::1':
+    ensure  => absent,
+    require => Class['mysql::config'],
+  }
 
   mysql_backup::backup { 'wiki':
     require => Class['mysql::server'],