refactor(obstacle_cruise_planner): clean up the code

[takayuki5168]

Description

clean up the code

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[codecov]

Codecov Report

Base: 10.54% // Head: 10.45% // Decreases project coverage by -0.09% ⚠️

Coverage data is based on head (3e658a9) compared to base (ee9a389).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2526      +/-   ##
==========================================
- Coverage   10.54%   10.45%   -0.10%     
==========================================
  Files        1266     1267       +1     
  Lines       87617    88432     +815     
  Branches    20952    20952              
==========================================
  Hits         9242     9242              
- Misses      68512    69327     +815     
  Partials     9863     9863              

Flag	Coverage Δ		*Carryforward flag
differential	0.00% <0.00%> (?)
total	10.54% <0.00%> (ø)		Carriedforward from 52a587c

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

Impacted Files	Coverage Δ
...include/obstacle_cruise_planner/common_structs.hpp	0.00% <0.00%> (ø)
...e_planner/include/obstacle_cruise_planner/node.hpp	0.00% <ø> (ø)
...se_planner/pid_based_planner/pid_based_planner.hpp	0.00% <ø> (ø)
...lude/obstacle_cruise_planner/planner_interface.hpp	0.00% <0.00%> (ø)
..._planner/include/obstacle_cruise_planner/utils.hpp	0.00% <ø> (ø)
planning/obstacle_cruise_planner/src/node.cpp	0.00% <0.00%> (ø)
...ation_based_planner/optimization_based_planner.cpp	0.00% <0.00%> (ø)
...lanner/src/pid_based_planner/pid_based_planner.cpp	0.00% <0.00%> (ø)
.../obstacle_cruise_planner/src/planner_interface.cpp	0.00% <0.00%> (ø)
...ning/obstacle_cruise_planner/src/polygon_utils.cpp	0.00% <0.00%> (ø)
... and 12 more

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[github-actions]

Documentation URL: https://autowarefoundation.github.io/autoware.universe/pr-2526/
Modified URLs:

• https://autowarefoundation.github.io/autoware.universe/pr-2526/planning/obstacle_cruise_planner/

[purewater0901]

LGTM