In 3scale 2.15 3scale operator, the following warning appears continuously in 3scale operator log even though there is no deploymentConfig in the namespace.

~~~

W0701 22:28:20.943784       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0701 22:36:36.952160       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0701 22:45:28.956871       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0701 22:53:22.962983       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0701 23:00:58.974895       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0701 23:10:49.978173       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0701 23:17:21.982419       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0701 23:27:03.989513       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0701 23:33:36.994769       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0701 23:41:51.000171       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0701 23:51:01.007754       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0701 23:57:07.013796       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0702 00:05:02.021014       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0702 00:13:45.025905       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0702 00:20:10.032525       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0702 00:28:35.039252       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0702 00:33:55.057793       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
W0702 00:42:24.051702       1 warnings.go:70] apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+

~~~

This warning can be safely ignored, but the customer requests us to avoid this warning as  DC no longer exists.