openqa/worker: remove old unused files

Signed-off-by: Adam Williamson <awilliam@redhat.com>

roles/openqa/worker/files/ifcfg-openqabr0

@@ -1,10 +0,0 @@
-DEVICETYPE='ovs'
-TYPE='OVSBridge'
-BOOTPROTO='static'
-IPADDR='172.16.2.2'
-NETMASK='255.254.0.0'
-DEVICE=openqabr0
-STP=on
-ONBOOT='yes'
-NAME='openqabr0'
-HOTPLUG='no'

roles/openqa/worker/files/ifup-pre-local

@@ -1,9 +0,0 @@
-#!/bin/sh
-
-# if the interface being brought up is tap[n], create
-# the tap device first
-if=$(echo "$1" | sed -e 's,ifcfg-,,')
-tap=$(echo "$if" | sed -e 's,[0-9]\+$,,')
-if [ "$tap" == "tap" ]; then
-    tunctl -u _openqa-worker -p -t "$if"
-fi