Removed CAP_ from node-exporter daemonset

[fullmetalrooster]

Description

This fixes the node-exporter daemonset which had also the CAP_ prefix which is not expected by Kubernetes according the this documentation.

Type of change

What type of changes does your code introduce to the kube-prometheus? Put an x in the box that apply.

• CHANGE (fix or feature that would cause existing functionality to not work as expected)
• FEATURE (non-breaking change which adds functionality)
• BUGFIX (non-breaking change which fixes an issue)
• ENHANCEMENT (non-breaking change which improves existing functionality)
• NONE (if none of the other choices apply. Example, tooling, build system, CI, docs, etc.)

Changelog entry

Please put a one-line changelog entry below. Later this will be copied to the changelog file.
removed the CAP_ prefix from node-exporter daemonset capabilites

- removed the CAP_ prefix from node-exporter daemonset capabilites

[ArthurSens]

Thanks again for the fix!

Context for others, we're rolling the latest changes to our clusters and discovering some bugs here and there 😅