qemuhotplugtest: Remove 'drive_del' expectation from failed cases

On failure 'drive_del' is not issued.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>

tests/qemuhotplugtest.c

@@ -748,8 +748,7 @@ mymain(void)
                    /* Disk added */
                    "device_add", QMP_OK);
     DO_TEST_DETACH("base-with-scsi-controller-live", "disk-scsi-2", true, true,
-                   "device_del", QMP_OK,
-                   "human-monitor-command", HMP(""));
+                   "device_del", QMP_OK);
     DO_TEST_DETACH("base-with-scsi-controller-live", "disk-scsi-2", false, false,
                    "device_del", QMP_DEVICE_DELETED("scsi3-0-5-6") QMP_OK,
                    "human-monitor-command", HMP(""));
@@ -759,8 +758,7 @@ mymain(void)
                    "human-monitor-command", HMP("OK\\r\\n"),
                    "device_add", QMP_OK);
     DO_TEST_DETACH("base-live", "disk-scsi-multipath", true, true,
-                   "device_del", QMP_OK,
-                   "human-monitor-command", HMP(""));
+                   "device_del", QMP_OK);
     DO_TEST_DETACH("base-live", "disk-scsi-multipath", false, false,
                    "device_del", QMP_DEVICE_DELETED("scsi0-0-0-0") QMP_OK,
                    "human-monitor-command", HMP(""),