Remove feature gates in hostprocess kube-proxy script

[rudesome]

Reason for PR:

Removes feature gates in the kube-proxy hostprocess script:

• winOverlay which is set to true since 1.20
• IPv6DualStack which is GA since 1.23

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: Parkhost / name: Parkhost (851343a)

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[rudesome]

not sure if setting; IPv6DualStack to true is breaking stuff.. maybe do a nightly build first..

[jonaskello]

Would be great to have this merged. We've upgraded to k8s 1.24 but need to leave kube-proxy at v1.22 because of this.

[marosset]

/lgtm
/assign @jsturtevant

[jsturtevant]

/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jsturtevant, Parkhost

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[jonaskello]

Thanks, upgraded and it works now! :-)