tests: qemuxml2argv: Remove 'disk-virtio-scsi-ccw' test

It's a subset of 'iothreads-virtio-scsi-ccw'.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>

tests/qemuxml2argvdata/disk-virtio-scsi-ccw.args

-LC_ALL=C \
-PATH=/bin \
-HOME=/home/test \
-USER=test \
-LOGNAME=test \
-QEMU_AUDIO_DRV=none \
-/usr/bin/qemu-system-s390x \
--name QEMUGuest1 \
--S \
--machine s390-ccw,accel=tcg,usb=off,dump-guest-core=off \
--m 214 \
--smp 1,sockets=1,cores=1,threads=1 \
--uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
--display none \
--no-user-config \
--nodefaults \
--chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,\
-server,nowait \
--mon chardev=charmonitor,id=monitor,mode=control \
--rtc base=utc \
--no-shutdown \
--device virtio-scsi-ccw,id=scsi0,devno=fe.0.0001 \
--drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-virtio-disk0 \
--device virtio-blk-ccw,devno=fe.0.0000,drive=drive-virtio-disk0,\
-id=virtio-disk0,bootindex=1 \
--drive file=/dev/HostVG/QEMUGuest2,format=raw,if=none,id=drive-scsi0-0-4-0 \
--device scsi-disk,bus=scsi0.0,channel=0,scsi-id=4,lun=0,\
-drive=drive-scsi0-0-4-0,id=scsi0-0-4-0 \
--device virtio-balloon-ccw,id=balloon0,devno=fe.0.000a

tests/qemuxml2argvdata/disk-virtio-scsi-ccw.xml

-<domain type='qemu'>
-  <name>QEMUGuest1</name>
-  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
-  <memory>219136</memory>
-  <currentMemory>219136</currentMemory>
-  <vcpu>1</vcpu>
-  <os>
-    <type arch='s390x' machine='s390-ccw'>hvm</type>
-    <boot dev='hd'/>
-  </os>
-  <clock offset='utc'/>
-  <on_poweroff>destroy</on_poweroff>
-  <on_reboot>restart</on_reboot>
-  <on_crash>destroy</on_crash>
-  <devices>
-    <emulator>/usr/bin/qemu-system-s390x</emulator>
-    <disk type='block' device='disk'>
-      <source dev='/dev/HostVG/QEMUGuest1'/>
-      <target dev='vda' bus='virtio'/>
-    </disk>
-    <disk type='block' device='disk'>
-      <source dev='/dev/HostVG/QEMUGuest2'/>
-      <target dev='sda' bus='scsi'/>
-      <address type='drive' controller='0' bus='0' target='4' unit='0'/>
-    </disk>
-    <controller type='scsi' index='0' model='virtio-scsi'/>
-    <memballoon model='virtio'>
-      <address type='ccw' cssid='0xFe' ssid='0x0' devno='0xA'/>
-    </memballoon>
-  </devices>
-</domain>

tests/qemuxml2argvtest.c

@@ -1036,8 +1036,6 @@ mymain(void)
             QEMU_CAPS_CCW, QEMU_CAPS_VIRTIO_S390);
     DO_TEST("disk-virtio-ccw-many",
             QEMU_CAPS_CCW, QEMU_CAPS_VIRTIO_S390);
-    DO_TEST("disk-virtio-scsi-ccw", QEMU_CAPS_VIRTIO_SCSI,
-            QEMU_CAPS_CCW, QEMU_CAPS_VIRTIO_S390);
     DO_TEST("disk-virtio-s390-zpci",
             QEMU_CAPS_DEVICE_ZPCI,
             QEMU_CAPS_CCW,