improve docker.registry configuration

gitlab/README.md

@@ -16,17 +16,7 @@ GITLAB_IP_OR_DNS="http://0.0.0.0"
 
 ## SSH config
 
-Add these lines into ~/.ssh/config file
+Add these lines into ~/.ssh/config file (If you want push / pull from remote you must define machine IP instead 0.0.0.0):
-
-```bash
-Host gitlab
-  HostName 0.0.0.0
-  PreferredAuthentications publickey
-  IdentityFile ~/.ssh/git_accesses
-  Port 2222
-```
-
-If you want push / pull from remote you must define machine IP instead 0.0.0.0:
 
 ```bash
 Host gitlab