Remove frontend rule for CP, adapt README

Dockerfiles/frontend/nginx.conf

@@ -88,16 +88,6 @@ http {
         }
     }
 
-    server {
-        include common.conf;
-        server_name ~^(couchpotato)(\.\w+)+$;
-
-        location / {
-            set $couchpotato http://couchpotato:5050;
-            proxy_pass $couchpotato;
-        }
-    }
-
     server {
         include common.conf;
         server_name ~^(radarr)(\.\w+)+$;

README.md

@@ -13,7 +13,7 @@ Included services are:
 - jackett (included in the sonarr image)
 - plex
 - h5ai (service accessible via `explore.hostname`)
-- couchpotato
+- radarr
 
 The front-end reverse proxy routes based on the lowest level subdomain (e.g.
 `deluge.example.com` would route to deluge). Since this is how the router