Remove puppet-manifests code made obsolete by ansible

As a result of switch to Ansible, remove the obsolete erb
templates and remove the dependency of is_initial_config_primary
facter.

Change-Id: I4ca6525f01a37da971dc66a11ee99ea4e115e3ad
Partial-Bug: 1834218
Depends-On: https://review.opendev.org/#/c/703517/
Signed-off-by: Angie Wang <angie.wang@windriver.com>

puppet-manifests/src/modules/platform/manifests/postgresql.pp

@@ -94,17 +94,6 @@ class platform::postgresql::server (
     }
   }
 
-  if str2bool($::is_initial_config_primary) {
-    $service_ensure = 'running'
-
-    # ensure service is stopped after initial configuration
-    class { '::platform::postgresql::post':
-      stage => post
-    }
-  } else {
-    $service_ensure = 'stopped'
-  }
-
   class {'::postgresql::globals':
     datadir => $data_dir,
     confdir => $config_dir,
@@ -112,7 +101,7 @@ class platform::postgresql::server (
 
   -> class {'::postgresql::server':
     ip_mask_allow_all_users => $ipv4acl,
-    service_ensure          => $service_ensure,
+    service_ensure          => 'stopped',
   }
 }