icinga2: Take care about purging conf.d

manifests/profiles/icinga2.pp

-class icinga2_testing::profiles::icinga2
-{
+class icinga2_testing::profiles::icinga2 {
   contain ::icinga2
   contain ::icinga2::feature::command
   contain ::icinga2::feature::api
 
   contain ::icinga2_notificationtest
+
+  file { 'icinga2 conf.d':
+    ensure  => directory,
+    path    => '/etc/icinga2/conf.d',
+    tag     => 'icinga2::config::file',
+    purge   => true,
+    recurse => true,
+    force   => true,
+  } ~> Class['::icinga2::service']
 }
\ No newline at end of file