Fix: Replaced yumdownloader with yum --downloadonly (#1676)

Removed yumdownloader

Author: fabriziofiorucci

content/waf/install/disconnected-environment.md

@@ -185,12 +185,11 @@ See the section for your operating system below:
    ```shell
    mkdir -p /offline/packages
 
-   sudo yumdownloader --resolve --destdir=/offline/packages \
+   sudo yum install --downloadonly --downloaddir=/offline/packages \
    app-protect \
    app-protect-attack-signatures \
    app-protect-bot-signatures \
    app-protect-threat-campaigns
-
    ```
 
 #### RHEL / Rocky Linux 9
@@ -224,7 +223,7 @@ See the section for your operating system below:
    ```shell
    mkdir -p /offline/packages
 
-   sudo yumdownloader --resolve --destdir=/offline/packages \
+   sudo yum install --downloadonly --downloaddir=/offline/packages \
    app-protect \
    app-protect-attack-signatures \
    app-protect-bot-signatures \
@@ -327,4 +326,4 @@ You can then transfer the files and load the images in your disconnected environ
    docker load -i waf-ip-intelligence.tar
    ```
 
-Ensure your Docker compose files use the tagged images you've transferred.
+Ensure your Docker compose files use the tagged images you've transferred.