Remove vlan device files during factory reset
Remove vlan device files during factory reset

Change-Id: I7ef2adcb7c29bcc22c53b8cb7ba73d5c8cc90602
Signed-off-by: Ratan Gupta <a42a43504c26cfe5294e3d72712325cd74a43440@in.ibm.com>

openbmc/phosphor-networkd,openbmc/phosphor-networkd