Remove v1alpha1 webhooks

Signed-off-by: Pavol Loffay <[email protected]>

Author: pavolloffay

apis/v1alpha1/collector_webhook.go

@@ -21,15 +21,16 @@ import (
 	"testing"
 
 	"github.com/go-logr/logr"
-
-	"github.com/open-telemetry/opentelemetry-operator/internal/config"
-
 	"github.com/stretchr/testify/assert"
-
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes/scheme"
+
+	"github.com/open-telemetry/opentelemetry-operator/internal/config"
 )
 
+var testScheme = scheme.Scheme
+
 func TestOpAMPBridgeDefaultingWebhook(t *testing.T) {
 	one := int32(1)
 	five := int32(5)