tests(spread): remove core24 ros2 extension linter tests

[sergiusens]

There is no ROS for 24.04, nor an extension for it.

• Have you followed the guidelines for contributing?
• Have you signed the CLA?
• Have you successfully run tox run -m lint?
• Have you successfully run tox run -e test-py310? (supported versions: py39, py310, py311, py312)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (6ff3e0b) 88.83% compared to head (5ff3394) 88.89%.
Report is 8 commits behind head on feature/craft-application.

Additional details and impacted files

@@                      Coverage Diff                      @@
##           feature/craft-application    #4595      +/-   ##
=============================================================
+ Coverage                      88.83%   88.89%   +0.06%     
=============================================================
  Files                            327      330       +3     
  Lines                          22033    22102      +69     
=============================================================
+ Hits                           19573    19648      +75     
+ Misses                          2460     2454       -6     

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