Fix installation after removing support for v2.1 (#1629)

Signed-off-by: Jacek Ewertowski <[email protected]>

Author: jewertow

pkg/controller/common/cni/cni.go

@@ -46,9 +46,6 @@ func InitConfig(m manager.Manager) (Config, error) {
 
 	if err == nil {
 		config.UseMultus = true
-		if len(common.Config.OLM.Images.V2_1.CNI) == 0 {
-			return config, fmt.Errorf("configuration olm.relatedImage.v2_1.cni must be set")
-		}
 
 		secret, _ := os.LookupEnv("ISTIO_CNI_IMAGE_PULL_SECRET")
 		if secret != "" {