Update 3-reconfiguring_deploying.md

3-reconfiguring_deploying.md

-# Deploy a bare-metal on G5k in n steps
-
-The primary way to move around Grid'5000 is using SSH. A [reference page on SSH](https://www.grid5000.fr/w/SSH) is updated and maintained with advanced configuration options that frequent users will find useful.
-
-<img src="https://www.grid5000.fr/mediawiki/images/Grid5000_SSH_access.png" width=80% height=80%>
-
-## Connection to nantes site 
-
-https://www.grid5000.fr/w/Nantes
-
-- direct way through a proxy
-  ```bash
-  ssh nantes.g5k
-  ```
-or 
-
-- go the frontal node 
-  ```bash
-  ssh access.grid5000.fr 
-  ssh nantes
-  ```
-
-
 ## Prepare the node to be deployed
 
 - Have submitted this reservation @ `2021-12-10 09:00` for 4 hours