fix(autoware_behavior_path_start_planner_module): fix unusedFunction

[kobayu858]

Description

This is a fix based on cppcheck unusedFunction warnings.
Debug.cpp was not used, so the entire file was deleted.

planning/behavior_path_planner/autoware_behavior_path_start_planner_module/src/debug.cpp:20:0: style: The function 'updateSafetyCheckDebugData' is never used. [unusedFunction]
void updateSafetyCheckDebugData(
^

planning/behavior_path_planner/autoware_behavior_path_start_planner_module/src/util.cpp:75:0: style: The function 'getBackedPose' is never used. [unusedFunction]
Pose getBackedPose(
^

planning/behavior_path_planner/autoware_behavior_path_start_planner_module/src/util.cpp:106:0: style: The function 'extractCollisionCheckSection' is never used. [unusedFunction]
std::optional<PathWithLaneId> extractCollisionCheckSection(
^

Related links

Parent Issue:

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How was this PR tested?

Notes for reviewers

None.

Interface changes

None.

Effects on system behavior

None.

[github-actions]

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[kyoichi-sugahara]

LGTM! Thanks.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 24.09%. Comparing base (2f4a26a) to head (75537f9).
Report is 12 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8659      +/-   ##
==========================================
- Coverage   24.10%   24.09%   -0.02%     
==========================================
  Files        1399     1403       +4     
  Lines      102414   102464      +50     
  Branches    38917    38919       +2     
==========================================
  Hits        24690    24690              
- Misses      75212    75262      +50     
  Partials     2512     2512              

Flag	Coverage Δ		*Carryforward flag
differential	0.00% <ø> (?)
total	24.10% <ø> (+<0.01%)	⬆️	Carriedforward from 2f4a26a

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