refactor: move puppet::* roles to infra::puppet

- start creation on apps:: roles
- reorganise hieradata to match role changes
- remove tagging for enc repo

site/roles/manifests/infra/puppetdb/api.pp

@@ -0,0 +1,6 @@
+# a role to deploy the puppetdb api service
+class roles::infra::puppetdb::api {
+    include profiles::defaults
+    include profiles::base
+    include profiles::puppet::puppetdb_api
+  }

site/roles/manifests/infra/puppetdb/sql.pp

@@ -0,0 +1,6 @@
+# a role to deploy the puppetdb postgresql service
+class roles::infra::puppetdb::sql {
+    include profiles::defaults
+    include profiles::base
+    include profiles::puppet::puppetdb_sql
+  }