Revert "snabb-softwire-v2: allow more than two queues"
Revert "snabb-softwire-v2: allow more than two queues"

This reverts commit bce8579eb8ea0f2d8d4298b848952f3e1ec624e8.

SnabbCo/snabbswitch,Igalia/snabb,eugeneia/snabb,snabbco/snabb,eugeneia/snabb,snabbco/snabb,eugeneia/snabb,Igalia/snabb,snabbco/snabb,snabbco/snabb,SnabbCo/snabbswitch,Igalia/snabb,eugeneia/snabb,Igalia/snabb,SnabbCo/snabbswitch,eugeneia/snabb,eugeneia/snabb,Igalia/snabb,eugeneia/snabb,Igalia/snabb,Igalia/snabb,SnabbCo/snabbswitch,snabbco/snabb,eugeneia/snabb,snabbco/snabb,Igalia/snabb,snabbco/snabb,snabbco/snabb