chore(autoware_trajectory): remove unnecessary tier4_planing_msgs dependency

[kosuke55]

Description

remove unnecessary tier4 planing msgs to port to core.

Related links

internal slack

to merge
autowarefoundation/autoware.core#138 (comment)

Parent Issue:

• Link

How was this PR tested?

build in local
2025/02/11 https://evaluation.tier4.jp/evaluation/reports/f996e92a-0991-5cd0-90e1-8a27ce519d81/?project_id=prd_jt

Notes for reviewers

None.

Interface changes

None.

Effects on system behavior

None.

[github-actions]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 28.32%. Comparing base (9aa61e6) to head (7237960).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10093      +/-   ##
==========================================
- Coverage   28.32%   28.32%   -0.01%     
==========================================
  Files        1489     1491       +2     
  Lines      111272   111297      +25     
  Branches    43143    43144       +1     
==========================================
+ Hits        31519    31521       +2     
- Misses      76617    76639      +22     
- Partials     3136     3137       +1     

Flag	Coverage Δ		*Carryforward flag
differential	14.38% <ø> (?)
total	28.32% <ø> (ø)		Carriedforward from 9aa61e6

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

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