Merge pull request #284 from openshift-cherrypick-robot/cherry-pick-272-to-release-4.9

[release-4.9] Bug 2073967: Fix a bug in deletion of webhook service for replacement

Author: openshift-merge-robot

staging/operator-lifecycle-manager/pkg/controller/install/certresources.go

@@ -246,7 +246,7 @@ func (i *StrategyDeploymentInstaller) installCertRequirementsForDeployment(deplo
 
 		// Delete the Service to replace
 		deleteErr := i.strategyClient.GetOpClient().DeleteService(service.GetNamespace(), service.GetName(), &metav1.DeleteOptions{})
-		if err != nil && !k8serrors.IsNotFound(deleteErr) {
+		if deleteErr != nil && !k8serrors.IsNotFound(deleteErr) {
 			return nil, nil, fmt.Errorf("could not delete existing service %s", service.GetName())
 		}
 	}