fix(autoware_probabilistic_occupancy_grid_map): fix unusedFunction

[kobayu858]

Description

This is a fix based on cppcheck unusedFunction warnings.

perception/autoware_probabilistic_occupancy_grid_map/lib/utils/utils.cpp:199:0: style: The function 'getApproximateOccupancyState' is never used. [unusedFunction]
unsigned char getApproximateOccupancyState(const unsigned char & value)
^

perception/autoware_probabilistic_occupancy_grid_map/src/fusion/synchronized_grid_map_fusion_node.cpp:372:0: style: The function 'OccupancyGridMsgToCostmap2D' is never used. [unusedFunction]
nav2_costmap_2d::Costmap2D GridMapFusionNode::OccupancyGridMsgToCostmap2D(
^

perception/autoware_probabilistic_occupancy_grid_map/src/fusion/synchronized_grid_map_fusion_node.cpp:377:0: style: The function 'updateGridMap' is never used. [unusedFunction]
void GridMapFusionNode::updateGridMap(
^

Related links

Parent Issue:

• Link

How was this PR tested?

Notes for reviewers

None.

Interface changes

None.

Effects on system behavior

None.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 24.01%. Comparing base (60cc9c7) to head (22e9389).
Report is 60 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8574   +/-   ##
=======================================
  Coverage   24.01%   24.01%           
=======================================
  Files        1384     1384           
  Lines      102173   102162   -11     
  Branches    38947    38943    -4     
=======================================
+ Hits        24536    24537    +1     
+ Misses      75138    75127   -11     
+ Partials     2499     2498    -1     

Flag	Coverage Δ		*Carryforward flag
differential	12.83% <ø> (?)
total	24.01% <ø> (+<0.01%)	⬆️	Carriedforward from 60cc9c7

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[Shin-kyoto]

LGTM

• I confirmed that getApproximateOccupancyState and updateGridMap are not called in autoware.
• I did NOT checked this PR by running autoware.
• Now I am checking the background of these functions here

[YoshiRi]

Make sense. LGTM