icingaweb2: Remove old php when using fpm

manifests/profiles/icingaweb2.pp

@@ -6,9 +6,12 @@ class icinga2_testing::profiles::icingaweb2 {
     Package['centos-release-scl'] -> Class['::icingaweb2']
 
     $_use_fpm = true
+    $_remove_php = true
+    $_php_common = 'php-common'
     $_fpm_service = 'rh-php71-php-fpm'
   } else {
     $_use_fpm = false
+    $_remove_php = false
   }
 
   if $_use_fpm {
@@ -21,6 +24,14 @@ class icinga2_testing::profiles::icingaweb2 {
     }
   }
 
+  if $_remove_php {
+    package { 'php-common':
+      ensure  => absent,
+      name    => $_php_common,
+      require => Package['icingaweb2'],
+    }
+  }
+
   include ::apache
   ::apache::custom_config { 'icingaweb2':
     content => template('icinga2_testing/icingaweb2/apache2.conf.erb'),