Revert .well-known redirects

This reverts commit 3a26ffb087.

nextcloud/rootfs/nginx/sites-enabled/nginx.conf

@@ -1,13 +1,3 @@
-map $http_x_forwarded_port $nc_port {
-  default "$http_x_forwarded_port";
-  ''      "$server_port";
-}
-
-map $http_x_forwarded_proto $nc_proto {
-  default "$http_x_forwarded_proto";
-  ''      "$scheme";
-}
-
 server {
         listen 8888;
         root /nextcloud;
@@ -36,11 +26,11 @@ server {
         rewrite ^/.well-known/webfinger /public.php?service=webfinger last;
 
         location = /.well-known/carddav {
-            return 301 $nc_proto://$host:$nc_port/remote.php/dav;
+            return 301 https://$host/remote.php/dav;
         }
 
         location = /.well-known/caldav {
-            return 301 $nc_proto://$host:$nc_port/remote.php/dav;
+            return 301 https://$host/remote.php/dav;
         }
 
         location / {