remove dead code which emulates NIC HW receiver
remove dead code which emulates NIC HW receiver

eugeneia/snabb,heryii/snabb,mixflowtech/logsensor,kbara/snabb,aperezdc/snabbswitch,SnabbCo/snabbswitch,eugeneia/snabbswitch,justincormack/snabbswitch,Igalia/snabb,eugeneia/snabb,dpino/snabb,dpino/snabb,wingo/snabbswitch,justincormack/snabbswitch,mixflowtech/logsensor,heryii/snabb,andywingo/snabbswitch,Igalia/snabb,eugeneia/snabb,lukego/snabb,dpino/snabb,dpino/snabbswitch,plajjan/snabbswitch,aperezdc/snabbswitch,SnabbCo/snabbswitch,Igalia/snabbswitch,Igalia/snabbswitch,eugeneia/snabb,kbara/snabb,aperezdc/snabbswitch,kbara/snabb,eugeneia/snabbswitch,plajjan/snabbswitch,mixflowtech/logsensor,dpino/snabbswitch,wingo/snabb,wingo/snabb,Igalia/snabb,wingo/snabb,justincormack/snabbswitch,dpino/snabb,SnabbCo/snabbswitch,lukego/snabbswitch,heryii/snabb,snabbco/snabb,wingo/snabbswitch,Igalia/snabb,alexandergall/snabbswitch,justincormack/snabbswitch,andywingo/snabbswitch,aperezdc/snabbswitch,lukego/snabbswitch,dpino/snabb,dpino/snabb,wingo/snabb,snabbco/snabb,snabbco/snabb,dpino/snabbswitch,eugeneia/snabbswitch,plajjan/snabbswitch,lukego/snabbswitch,wingo/snabb,alexandergall/snabbswitch,mixflowtech/logsensor,SnabbCo/snabbswitch,snabbco/snabb,lukego/snabb,snabbco/snabb,snabbco/snabb,alexandergall/snabbswitch,alexandergall/snabbswitch,lukego/snabbswitch,eugeneia/snabb,Igalia/snabb,dpino/snabb,snabbco/snabb,heryii/snabb,kbara/snabb,Igalia/snabb,wingo/snabbswitch,eugeneia/snabb,kbara/snabb,Igalia/snabb,alexandergall/snabbswitch,eugeneia/snabb,wingo/snabb,Igalia/snabb,kbara/snabb,snabbco/snabb,eugeneia/snabb,alexandergall/snabbswitch,heryii/snabb,heryii/snabb,andywingo/snabbswitch,Igalia/snabbswitch,Igalia/snabbswitch,andywingo/snabbswitch,alexandergall/snabbswitch,alexandergall/snabbswitch,lukego/snabb,eugeneia/snabbswitch,dpino/snabbswitch,Igalia/snabbswitch,plajjan/snabbswitch,mixflowtech/logsensor,wingo/snabbswitch,lukego/snabb