block: remove 'dirty-bitmaps' field from 'BlockInfo' struct

The same data is available in the 'BlockDeviceInfo' struct.

Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
diff --git a/tests/qemu-iotests/194 b/tests/qemu-iotests/194
index 3889266..e44b8df 100755
--- a/tests/qemu-iotests/194
+++ b/tests/qemu-iotests/194
@@ -95,7 +95,7 @@
     iotests.log(event, filters=[iotests.filter_qmp_event])
 
     iotests.log('Check bitmaps on source:')
-    iotests.log(source_vm.qmp('query-block')['return'][0]['dirty-bitmaps'])
+    iotests.log(source_vm.qmp('query-block')['return'][0]['inserted']['dirty-bitmaps'])
 
     iotests.log('Check bitmaps on target:')
-    iotests.log(dest_vm.qmp('query-block')['return'][0]['dirty-bitmaps'])
+    iotests.log(dest_vm.qmp('query-block')['return'][0]['inserted']['dirty-bitmaps'])