Fix NKRO and Mouse Emulation on arm_atsam

[Izumemori]

Description

Removes report_id from the NKRO report struct for the arm_atsam protocol for NKRO and mouse emulation.

Types of Changes

• [x] Core
• [x] Bugfix
• [ ] New feature
• [ ] Enhancement/optimization
• [ ] Keyboard (addition or update)
• [ ] Keymap/layout/userspace (addition or update)
• [ ] Documentation

Issues Fixed or Closed by This PR

• Fixes #23939
• Addresses bug introduced by #22267

Checklist

• [x] My code follows the code style of this project: C, Python
• [x] I have read the PR Checklist document and have made the appropriate changes.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [x] I have tested the changes and verified that they work and don't break anything (as well as I can manage).

[Izumemori]

This should be fixed in the ATSAM code, not report.h.

I've moved the same behavior to main_arm_atsam.c.