fix: set remnux_snap_packages for 22.04

Author: juju4

vars/Ubuntu-22.04.yml

@@ -244,6 +244,8 @@ remnux_packages:
   - libnetfilter-queue-dev
   - libnfnetlink-dev
 
+remnux_snap_packages: []
+
 _remnux_pip_packages_version:
   - { name: cryptography, version: 3.4.7 }
   - { name: pyyaml, version: 6.0.1 }