Update documentation again

Author: Chocapikk

documentation/modules/exploit/multi/http/spip_bigup_unauth_rce.md

@@ -41,16 +41,12 @@ To replicate a vulnerable environment for testing, follow these steps:
 ```bash
 docker run --name casse-spip -p 8000:80 \
     -e SPIP_DB_SERVER=sqlite3 \
-    -e SPIP_SITE_ADDRESS=http://127.0.0.1 \
+    -e SPIP_SITE_ADDRESS=http://localhost \
     -d ipeos/spip:4.3.1
 ```
 
 2. Go to `http://localhost:8000` to access the SPIP application.
 
-It is recommended to use the Docker installation because the non-Docker version automatically
-retrieves the latest plugin updates, making the exploit ineffective.
-The Docker version ensures a vulnerable environment.
-
 ## Verification Steps
 
 1. Set up a SPIP instance using the commands provided above.