Use 'os.path.lexists' when removing journal file link
Use 'os.path.lexists' when removing journal file link

The target of the symlink in /var/log/journal may not exist
when we come to delete it, so use os.path.lexists, instead
of os.path.exists

Signed-off-by: Daniel P. Berrange <bb938cf255e055ff3507f2627d214e8e62118fcf@redhat.com>

gczarcinski/libvirt-sandbox,agx/libvirt-sandbox-debian,libvirt/libvirt-sandbox,agx/libvirt-sandbox-debian,erenyagdiran/libvirt-sandbox,gczarcinski/libvirt-sandbox,agx/libvirt-sandbox-debian,libvirt/libvirt-sandbox,erenyagdiran/libvirt-sandbox,gczarcinski/libvirt-sandbox,agx/libvirt-sandbox-debian,agx/libvirt-sandbox-debian,libvirt/libvirt-sandbox,gczarcinski/libvirt-sandbox,erenyagdiran/libvirt-sandbox,gczarcinski/libvirt-sandbox,erenyagdiran/libvirt-sandbox,gczarcinski/libvirt-sandbox