feat: simple nginx proxy

- merge consul/vault nginx proxy into single class
- replace nginx proxy classes for consul/vault with simpleproxy class

site/profiles/manifests/vault/server.pp

@@ -91,6 +91,6 @@ class profiles::vault::server (
 
     # include classes to manage vault
     include profiles::vault::unseal
-    include profiles::vault::nginx
+    include profiles::nginx::simpleproxy
   }
 }