style edits to puppet config files

Change-Id: I4f7314bcb1cb58f94ff7a78aebe27ec4591fc11c
Reviewed-on: https://review.openstack.org/14187
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Approved: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Tested-by: Jenkins

manifests/init.pp

@@ -1,17 +1,17 @@
 class sudoers {
   group { 'sudo':
-    ensure => 'present'
+    ensure => present,
   }
   group { 'admin':
-    ensure => 'present'
+    ensure => present,
   }
 
   file { '/etc/sudoers':
-    owner => 'root',
-    group => 'root',
-    mode => 440,
-    ensure => 'present',
-    source => "puppet:///modules/sudoers/sudoers",
-    replace => 'true',
+    ensure  => present,
+    owner   => 'root',
+    group   => 'root',
+    mode    => '0440',
+    source  => 'puppet:///modules/sudoers/sudoers',
+    replace => true,
   }
 }