Remove deprecated selectorSpread

[kerthcet]

What type of PR is this?

/kind feature
/sig scheduling
/kind cleanup

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #108444

Special notes for your reviewer:

Does this PR introduce a user-facing change?

ACTION REQUIRED: the kube-scheduler `selectorSpread` plugin has been removed, please use the `podTopologySpread` plugin instead.

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[k8s-ci-robot]

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[alculquicondor]

/hold
for #117649

[kerthcet]

/hold cancel
Ready for review now.

[alculquicondor]

oh wait... but v1beta3 still could use the plugin, couldn't it?

[kerthcet]

Yes, we didn't add it to the validations of invalid plugins. Wait for one more release?

[alculquicondor]

Yes, sorry for the confusion

/hold

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kerthcet

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[alculquicondor]

/lgtm

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 699905f65f71bf277dbb8318fa01c3f3a32e818e

[kerthcet]

/hold cancel

[k8s-ci-robot]

@kerthcet: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-kubernetes-node-e2e-containerd	855b445	link	unknown	/test pull-kubernetes-node-e2e-containerd

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[kerthcet]

/retest

[sftim]

Changelog suggestion

-ACTION REQUIRED: Kube-scheduler selectorSpread plugin is removed, please use podTopologySpread plugin instead.
+ACTION REQUIRED: the kube-scheduler `selectorSpread` plugin has been removed; please use the `podTopologySpread` plugin instead.

Also, remember to get this change documented.

[kerthcet]

Also, remember to get this change documented.

Updated, and will follow the documentation.