[kuttl test] Fix label for ovs pods

Was missed in [1]. The left over pods can conflict
with next scenario test run.

[1] 2605c18
Related-Issue: OSPRH-1932

tests/kuttl/common/errors_cleanup_ovn.yaml

@@ -90,7 +90,7 @@ metadata:
     openshift.io/scc: privileged
   generateName: ovn-controller-ovs-
   labels:
-    service: ovn-controller
+    service: ovn-controller-ovs
 ---
 apiVersion: v1
 kind: Service