Remove 'Enable RKE2 Provider' from chart questions

[valaparthvi]

What steps did you take and what happened?

Upgrade Rancher Turtles chart.
Turtles Version: 108.0.0+up0.25.0-rc.2
Rancher Version: 2.13-head

What did you expect to happen?

The question should be removed since RKE2 is installed by Providers Chart.

How to reproduce it?

No response

Rancher Turtles version

108.0.0+up0.25.0-rc.2 or head.

Anything else you would like to add?

No response

Label(s) to be applied

/kind bug