Remove sensitive.

manifests/init.pp

@@ -129,7 +129,7 @@ class datorhandbok (
     group   => www-data,
     mode    => '0440',
     content => epp('datorhandbok/LocalSettings.php',
-      { 'mysql_password' => Sensitive($mysql_password)}),
+      { 'mysql_password' => $mysql_password }),
     require => Package['mediawiki'],
   }
 

templates/LocalSettings.php.epp

 <%- |
-	Sensitive[String] $mysql_password,
+	$mysql_password = undef,
 | -%>
 <?php