irqd: remove empty code block

Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org>
Fix multiqueue queue assignement

I have a report that the MQ queue assignment is non-working anymore
with 'evenly' for 10G hardware, and it is easily spottable:

  ..
  cpu2: eth0:0 eth2:30 eth3:30 eth4:30 eth5:30
  cpu3: eth0:0 eth2:31 eth3:31 eth4:31 eth5:31 eth6:0 eth6:1 eth6:2 eth6:3 \
    eth6:4 eth6:5 eth6:6 eth6:7 eth6:8 eth6:9 eth6:10 eth6:11 eth6:12 \
    eth6:13 eth6:14 eth6:15 eth6:16 eth6:17 eth6:18 eth6:19 eth6:20 \
    eth6:21 eth6:22 eth6:23 eth6:24 eth6:25 eth6:26 eth6:27 eth6:28 \
    eth6:29 eth6:30 eth6:31
  cpu4: eth2:0 eth3:0 eth4:0 eth5:0
  ...

Signed-off-by: Holger Eitzenberger <holger.eitzenberger@sophos.com>