Removes AVG which is EOL

Closes: https://github.com/netbootxyz/netboot.xyz/issues/1304

CHANGELOG.md

@@ -16,6 +16,10 @@ All notable changes to this project will be documented in this file.
 
 - Fixed an issue with Fedora would error with "Could not boot"
 
+### Removed
+
+- Remove AVG as it's no longer maintained
+
 ## [2.0.72] - 2023-09-15
 
 ### Fixed

roles/netbootxyz/defaults/main.yml

@@ -759,12 +759,6 @@ utilitiespcbios64:
     enabled: true
     name: 4MLinux
     type: ipxemenu
-  avg:
-    enabled: true
-    name: AVG Rescue CD
-    type: memdisk
-    util_path: http://download.avg.com/filedir/inst/avg_arl_cdi_all_120_160420a12074.iso
-    version: 160420a12074
   bootrepair:
     enabled: true
     initrd: ${live_endpoint}{{ endpoints.bootrepair.path }}initrd