Disable ClamAV daemon and freshclam in dev VMs
Disable ClamAV daemon and freshclam in dev VMs

Previously this would stop the daemons, but not prevent them starting again
on reboot.

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet