Merge pull request #64032 from wgliang/master.rmove-scheduler-unused

Automatic merge from submit-queue (batch tested with PRs 63283, 64032, 64159, 64126, 64098). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

remove unused code of (pkg/scheduler)

**What this PR does / why we need it**:
/kind cleanup

remove unused code


**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

pkg/scheduler/algorithm/priorities/selector_spreading_test.go

@@ -409,7 +409,6 @@ func TestZoneSelectorSpreadPriority(t *testing.T) {
 	tests := []struct {
 		pod          *v1.Pod
 		pods         []*v1.Pod
-		nodes        []string
 		rcs          []*v1.ReplicationController
 		rss          []*extensions.ReplicaSet
 		services     []*v1.Service

pkg/scheduler/core/BUILD

@@ -27,7 +27,6 @@ go_test(
         "//vendor/k8s.io/api/apps/v1beta1:go_default_library",
         "//vendor/k8s.io/api/core/v1:go_default_library",
         "//vendor/k8s.io/api/extensions/v1beta1:go_default_library",
-        "//vendor/k8s.io/api/policy/v1beta1:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/api/resource:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/types:go_default_library",

pkg/scheduler/core/equivalence_cache_test.go

@@ -635,7 +635,6 @@ func TestInvalidateCachedPredicateItemOfAllNodes(t *testing.T) {
 	tests := []struct {
 		podName                           string
 		nodeName                          string
-		predicateKey                      string
 		equivalenceHashForUpdatePredicate uint64
 		cachedItem                        predicateItemType
 	}{
@@ -707,7 +706,6 @@ func TestInvalidateAllCachedPredicateItemOfNode(t *testing.T) {
 	tests := []struct {
 		podName                           string
 		nodeName                          string
-		predicateKey                      string
 		equivalenceHashForUpdatePredicate uint64
 		cachedItem                        predicateItemType
 	}{

pkg/scheduler/core/extender_test.go

@@ -22,7 +22,6 @@ import (
 	"time"
 
 	"k8s.io/api/core/v1"
-	policy "k8s.io/api/policy/v1beta1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/util/wait"
 	"k8s.io/kubernetes/pkg/scheduler/algorithm"
@@ -117,7 +116,6 @@ type FakeExtender struct {
 
 	// Cached node information for fake extender
 	cachedNodeNameToInfo map[string]*schedulercache.NodeInfo
-	cachedPDBs           []*policy.PodDisruptionBudget
 }
 
 func (f *FakeExtender) IsIgnorable() bool {
@@ -336,8 +334,6 @@ func TestGenericSchedulerWithExtenders(t *testing.T) {
 		predicates   map[string]algorithm.FitPredicate
 		prioritizers []algorithm.PriorityConfig
 		extenders    []FakeExtender
-		extenderPredicates   []fitPredicate
-		extenderPrioritizers []priorityConfig
 		nodes        []string
 		expectedHost string
 		expectsErr   bool

pkg/scheduler/schedulercache/cache_test.go

@@ -517,7 +517,6 @@ func TestUpdatePod(t *testing.T) {
 		makeBasePod(t, nodeName, "test", "200m", "1Ki", "", []v1.ContainerPort{{HostIP: "127.0.0.1", HostPort: 8080, Protocol: "TCP"}}),
 	}
 	tests := []struct {
-		podsToAssume []*v1.Pod
 		podsToAdd    []*v1.Pod
 		podsToUpdate []*v1.Pod