refactor(probabilistic_occupancy_grid_map)!: fix namespace and directory structure

[technolojin]

Description

This PR puts headers in the autoware namespace.

Additional works

1. Align directory structure to follow the coding guidelines.
2. Clean unused dependencies LIST

Related links

Part of: autowarefoundation/autoware#4569

How was this PR tested?

Tested in a local recompute environment and the TIER IV Cloud environment.

Notes for reviewers

None.

Interface changes

None.

Effects on system behavior

None.

[github-actions]

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[codecov]

Codecov Report

Attention: Patch coverage is 27.50000% with 29 lines in your changes missing coverage. Please review.

Project coverage is 28.71%. Comparing base (b233929) to head (5bc0b89).
Report is 23 commits behind head on main.

Files	Patch %	Lines
...id_map/lib/costmap_2d/occupancy_grid_map_fixed.cpp	12.50%	7 Missing ⚠️
...ncy_grid_map/lib/costmap_2d/occupancy_grid_map.cpp	0.00%	5 Missing ⚠️
...p/lib/costmap_2d/occupancy_grid_map_projective.cpp	0.00%	5 Missing ⚠️
...obabilistic_occupancy_grid_map/lib/utils/utils.cpp	0.00%	3 Missing ⚠️
...obabilistic_occupancy_grid_map/test/test_utils.cpp	0.00%	0 Missing and 3 partials ⚠️
...pancy_grid_map/lib/fusion_policy/fusion_policy.cpp	0.00%	0 Missing and 2 partials ⚠️
...id_map/laserscan_based_occupancy_grid_map_node.cpp	0.00%	2 Missing ⚠️
...id_map/lib/updater/binary_bayes_filter_updater.cpp	66.66%	0 Missing and 1 partial ⚠️
...p/src/fusion/synchronized_grid_map_fusion_node.cpp	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7872      +/-   ##
==========================================
+ Coverage   28.66%   28.71%   +0.04%     
==========================================
  Files        1588     1602      +14     
  Lines      116375   116988     +613     
  Branches    49696    49956     +260     
==========================================
+ Hits        33358    33591     +233     
- Misses      73925    74275     +350     
- Partials     9092     9122      +30     

Flag	Coverage Δ		*Carryforward flag
differential	10.66% <27.50%> (?)
total	28.66% <ø> (-0.01%)	⬇️	Carriedforward from cd0f68c

*This pull request uses carry forward flags. Click here to find out more.

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[yukkysaito]

LGTM