refactor(ndt_scan_matcher, ndt_omp): move ndt_omp into ndt_scan_matcher

[SakodaShintaro]

Description

Currently, we are using the ndt_omp package as an external library. We would like to release this package through ROS2 bloom, but a package with the same name, ndt_omp, has already been released.

Since ndt_omp is currently under TIER IV organization, adding the prefix “autoware_” to ndt_omp is not ideal.

As ndt_omp is a small library, we are considering merging it into the ndt_scan_matcher package.

Related links

• https://github.com/tier4/ndt_omp/pull/68

How was this PR tested?

• logging_simulator works the same as before
• TIER IV internal deterministic test

Notes for reviewers

None.

Interface changes

ndt_scan_matcher no longer depends on ndt_omp.

Effects on system behavior

None.