apps.mellanox: remove dead code from packetblaster
apps.mellanox: remove dead code from packetblaster

eugeneia/snabb,eugeneia/snabb,snabbco/snabb,snabbco/snabb,snabbco/snabb,eugeneia/snabb,snabbco/snabb,eugeneia/snabb,snabbco/snabb,snabbco/snabb,eugeneia/snabb,eugeneia/snabb,eugeneia/snabb,snabbco/snabb,snabbco/snabb,eugeneia/snabb