docs(ad_api_adaptors): fix readme to remove unused service

[isamu-takagi]

Description

Fix readme to remove unused service.

Tests performed

Not applicable.

Effects on system behavior

Not applicable.

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[yukkysaito]

LGMT

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.01 ⚠️

Comparison is base (5bc699b) 14.35% compared to head (bb8abbe) 14.35%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4117      +/-   ##
==========================================
- Coverage   14.35%   14.35%   -0.01%     
==========================================
  Files        1569     1569              
  Lines      108002   108001       -1     
  Branches    31250    31250              
==========================================
- Hits        15500    15499       -1     
  Misses      75648    75648              
  Partials    16854    16854              

Flag	Coverage Δ		*Carryforward flag
differential	0.00% <ø> (?)
total	14.35% <ø> (-0.01%)	⬇️	Carriedforward from 5bc699b

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

Impacted Files	Coverage Δ
...th_planner/src/scene_module/lane_change/normal.cpp	4.69% <ø> (-0.18%)	⬇️

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[tkhmy]

LGTM