v1beta2: Remove deprecated retryDelayMinutes field

Remove the retryDelayMinutes field from v1beta2 AdmissionCheckSpec as it has been
deprecated since v0.8. This field was unused and provided no functionality.

Changes:
- Remove RetryDelayMinutes field from v1beta2 AdmissionCheckSpec
- Update conversion functions to ignore retryDelayMinutes during v1beta1 to v1beta2 conversion
- Update test to remove retryDelayMinutes usage
- Regenerate deepcopy, conversion code, and CRD manifests

The field remains available in v1beta1 for backward compatibility.

Addresses part of issue #7247

Author: nerdeveloper

apis/kueue/v1beta1/zz_generated.conversion.go

@@ -52,14 +52,6 @@ type AdmissionCheckSpec struct {
 	// +kubebuilder:validation:XValidation:rule="self == oldSelf", message="field is immutable"
 	ControllerName string `json:"controllerName"`
 
-	// retryDelayMinutes specifies how long to keep the workload suspended after
-	// a failed check (after it transitioned to False). When the delay period has passed, the check
-	// state goes to "Unknown". The default is 15 min.
-	// +optional
-	// +kubebuilder:default=15
-	// Deprecated: retryDelayMinutes has already been deprecated since v0.8 and will be removed in v1beta2.
-	RetryDelayMinutes *int64 `json:"retryDelayMinutes,omitempty"`
-
 	// parameters identifies a configuration with additional parameters for the
 	// check.
 	// +optional

apis/kueue/v1beta2/admissioncheck_types.go

@@ -213,15 +213,6 @@ spec:
                 - kind
                 - name
                 type: object
-              retryDelayMinutes:
-                default: 15
-                description: |-
-                  retryDelayMinutes specifies how long to keep the workload suspended after
-                  a failed check (after it transitioned to False). When the delay period has passed, the check
-                  state goes to "Unknown". The default is 15 min.
-                  Deprecated: retryDelayMinutes has already been deprecated since v0.8 and will be removed in v1beta2.
-                format: int64
-                type: integer
             required:
             - controllerName
             type: object

apis/kueue/v1beta2/zz_generated.deepcopy.go

@@ -24,7 +24,7 @@ import (
 	"github.com/onsi/gomega"
 	"github.com/onsi/gomega/types"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/utils/ptr"
+
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/manager"
 
@@ -67,8 +67,7 @@ var _ = ginkgo.Describe("AdmissionCheck Webhook", ginkgo.Ordered, func() {
 						Name: "foo",
 					},
 					Spec: kueue.AdmissionCheckSpec{
-						ControllerName:    "ac-controller",
-						RetryDelayMinutes: ptr.To[int64](15),
+						ControllerName: "ac-controller",
 					},
 				},
 			),