kvm: Drop ipv4-network-info

This is unused obsolete feature, which results with users being tricked to
configure VMs wrongly.
2 jobs for fix/nextcloud-install-apps-in-soft in 0 seconds
Status Job ID Name Coverage
  External
passed SlapOS.SlapRunner.ResilienceTest-Master

00:25:09

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:21:48