removed test extra host

docker-compose.yml

@@ -29,8 +29,6 @@ services:
             - "127.0.0.1:34011:80"
         env_file:
             - env
-        extra_hosts:
-            - "test-mx.rthoni.com:192.168.56.102"
 
 networks:
     roundcube.internal.docker: