Setting CloudDualStackNodeIPs=true is not required anymore

[manuelbuil]

Environmental Info:
K3s Version:

Node(s) CPU architecture, OS, and Version:

Cluster Configuration:

Describe the bug:

We are setting CloudDualStackNodeIPs=true here: https://github.com/k3s-io/k3s/blob/master/pkg/daemons/control/server.go#L326. However, as stated in the feature gates reference, starting in 1.29, that gate is true by default. In Octobre there won't be a 1.28 release, therefore, we can safely remove that setting

Steps To Reproduce:

• Installed K3s:

Expected behavior:

Actual behavior:

Additional context / logs: