Removed emeritus reviewers from SECURITY_CONTACTS

[micahhausler]

What type of PR is this? /kind cleanup

What this PR does / why we need it:

cc @jaypipes @dims can you both +1?

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

[k8s-ci-robot]

This issue is currently awaiting triage.

If cloud-provider-aws contributors determine this is a relevant issue, they will accept it by applying the triage/accepted label and provide further guidance.

The triage/accepted label can be added by org members by writing /triage accepted in a comment.

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[dims]

+1 from me!

[cartermckinnon]

/retest

[cartermckinnon]

/hold for response from @jaypipes

[micahhausler]

Confirmed from @jaypipes in Slack he's good to remove.

/unhold

[cartermckinnon]

@micahhausler I think you'll need to rebase to fix the dependency checks

[micahhausler]

@cartermckinnon rebased, thanks!

[cartermckinnon]

/lgtm /approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cartermckinnon, hakman, orsenthil

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/kubernetes/cloud-provider-aws/blob/master/OWNERS)~~ [cartermckinnon,hakman] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment