af_unix: remove unlink operation
af_unix: remove unlink operation

It is not necessary to unlink the abstract socket pathname when
we have finished using the socket. The abstract name is automatically
removed when the socket is closed.

Signed-off-by: Long Wang <aff024fe4ab0fece4091de044c58c9ae4233383a@laoqinren.net>

caglar10ur/lxc,federicobriata/lxc,caglar10ur/lxc,aeris/lxc,caglar10ur/lxc,terceiro/lxc,thmo/lxc,LynxChaus/lxc,hallyn/lxc,ss1h2a3tw/lxc,aeris/lxc,hallyn/lxc,thmo/lxc,hallyn/lxc,terceiro/lxc,ss1h2a3tw/lxc,aeris/lxc,federicobriata/lxc,LynxChaus/lxc,terceiro/lxc,LynxChaus/lxc,federicobriata/lxc,ss1h2a3tw/lxc,thmo/lxc