Update plans/action/install.pp

Fix erroneous substitution

Author: reidmv

plans/action/install.pp

@@ -149,7 +149,7 @@
     'console_admin_password'                                          => $console_password,
     'puppet_enterprise::puppet_master_host'                           => $primary_target.peadm::certname(),
     'pe_install::puppet_master_dnsaltnames'                           => $dns_alt_names,
-    'puppet_enterprise::primary_postgresql_host'                      => $primary_postgresql_target.peadm::certname(),
+    'puppet_enterprise::puppetdb_database_host'                       => $primary_postgresql_target.peadm::certname(),
     'puppet_enterprise::profile::master::code_manager_auto_configure' => true,
     'puppet_enterprise::profile::master::r10k_remote'                 => $r10k_remote,
     'puppet_enterprise::profile::master::r10k_private_key'            => $r10k_private_key ? {