Remove the BoundServiceAccountTokenVolume feature gate

Signed-off-by: ialidzhikov <i.alidjikov@gmail.com>

pkg/features/kube_features.go

@@ -138,16 +138,6 @@ const (
 	// Postpone deletion of a PV or a PVC when they are being used
 	StorageObjectInUseProtection featuregate.Feature = "StorageObjectInUseProtection"
 
-	// owner: @mikedanese
-	// alpha: v1.13
-	// beta: v1.21
-	// ga: v1.22
-	//
-	// Migrate ServiceAccount volumes to use a projected volume consisting of a
-	// ServiceAccountTokenVolumeProjection. This feature adds new required flags
-	// to the API server.
-	BoundServiceAccountTokenVolume featuregate.Feature = "BoundServiceAccountTokenVolume"
-
 	// owner: @pohly
 	// alpha: v1.14
 	// beta: v1.16
@@ -776,7 +766,6 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
 	CPUCFSQuotaPeriod:                              {Default: false, PreRelease: featuregate.Alpha},
 	TopologyManager:                                {Default: true, PreRelease: featuregate.Beta},
 	StorageObjectInUseProtection:                   {Default: true, PreRelease: featuregate.GA},
-	BoundServiceAccountTokenVolume:                 {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.23
 	CSIMigration:                                   {Default: true, PreRelease: featuregate.Beta},
 	CSIMigrationGCE:                                {Default: false, PreRelease: featuregate.Beta}, // Off by default (requires GCE PD CSI Driver)
 	InTreePluginGCEUnregister:                      {Default: false, PreRelease: featuregate.Alpha},