net: dcb: Remove unnecessary INIT_LIST_HEAD()

The list_head dcb_app_list is initialized statically.
It is unnecessary to initialize by INIT_LIST_HEAD().
Reported-by: NHulk Robot <hulkci@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/dcb/dcbnl.c

@@ -2075,8 +2075,6 @@ EXPORT_SYMBOL(dcb_ieee_getapp_default_prio_mask);
 
 static int __init dcbnl_init(void)
 {
-	INIT_LIST_HEAD(&dcb_app_list);
-
 	rtnl_register(PF_UNSPEC, RTM_GETDCB, dcb_doit, NULL, 0);
 	rtnl_register(PF_UNSPEC, RTM_SETDCB, dcb_doit, NULL, 0);