chore: remove legacy pointcloud topics and point types

[mojomex]

PR Type

• Improvement

Description

The PointXYZIR and PointXYZIRADT types are not used by Autoware anymore and are obsolete.
Remove their

• publishers,
• conversion functions,
• type definitions and
• documentation.

Review Procedure

Confirm Nebula works with Autoware even when these topics are removed. This does not need a build/launch: confirming that the topics are not used is enough.

Pre-Review Checklist for the PR Author

PR Author should check the checkboxes below when creating the PR.

• Assign PR to reviewer

Checklist for the PR Reviewer

Reviewers should check the checkboxes below before approval.

• Commits are properly organized and messages are according to the guideline
• (Optional) Unit tests have been written for new behavior
• PR title describes the changes

Post-Review Checklist for the PR Author

PR Author should check the checkboxes below before merging.

• All open points are addressed and tracked via issues or tickets

CI Checks

• Build and test for PR: Required to pass before the merge.

[knzo25]

@mojomex (cc: @drwnz )

Outside autoware, having the classic XYZI (I as a float) is quite standard. Would you prefer explicitly dropping compatibility with all non-autoware packages?

[drwnz]

@mojomex (cc: @drwnz )

Outside autoware, having the classic XYZI (I as a float) is quite standard. Would you prefer explicitly dropping compatibility with all non-autoware packages?

Good point Kenzo. Let's include it.