puppet: Remove icingaweb2's init.pp

The module icingaweb2 is reserved for installing Icinga Web 2 from package
by including the class icingaweb2.

.vagrant-puppet/modules/icingaweb2/manifests/init.pp

@@ -1,13 +0,0 @@
-class icingaweb2 {
-  include apache
-
-  file { 'icingaweb2cfgDir':
-    path    => '/etc/icingaweb',
-    ensure  => directory,
-    links   => follow,
-    owner   => 'apache',
-    group   => 'apache',
-    mode    => 6755,
-    require => Class['apache'],
-  }
-}