feat: stop manage nginx repo

- use epel repo for nginx

site/profiles/manifests/edgecache/nginx.pp

@@ -114,6 +114,7 @@ class profiles::edgecache::nginx {
     proxy_cache_inactive  => '365d',
     proxy_temp_path       => "${data_root}/cache_tmp",
     service_manage        => false,
+    manage_repo           => false,
   }
 
   # create the nginx vhost with the merged parameters

site/profiles/manifests/nginx/simpleproxy.pp

@@ -114,6 +114,7 @@ class profiles::nginx::simpleproxy (
       proxy_cache_inactive  => '10m',
       proxy_temp_path       => '/var/cache/nginx/cache_temp',
       service_manage        => false,
+      manage_repo           => false,
     }
 
     # create the nginx vhost with the merged parameters

site/profiles/manifests/reposync/webserver.pp

@@ -92,6 +92,7 @@ class profiles::reposync::webserver (
     proxy_cache_max_size  => '30000m',
     proxy_cache_inactive  => '60d',
     proxy_temp_path       => "${cache_root}/tmp",
+    manage_repo           => false,
     require               => [
       Mkdir::P[$cache_root],
       Mkdir::P[$www_root]