Remove leftovers from pytest from _pytask.mark.Mark.

[tobiasraabe]

Changes

Provide a description and/or bullet points to describe the changes in this PR.

Todo

• Reference issues which can be closed due to this PR with "Closes #x".
• Review whether the documentation needs to be updated.
• Document PR in docs/changes.rst.

[codecov]

Codecov Report

Merging #219 (6bf0fb5) into main (cbe79d1) will decrease coverage by 23.05%.
The diff coverage is 100.00%.

❗ Current head 6bf0fb5 differs from pull request most recent head 7179137. Consider uploading reports for the commit 7179137 to get more accurate results

@@             Coverage Diff             @@
##             main     #219       +/-   ##
===========================================
- Coverage   93.98%   70.92%   -23.06%     
===========================================
  Files          75       75               
  Lines        6679     6666       -13     
===========================================
- Hits         6277     4728     -1549     
- Misses        402     1938     +1536     

Flag	Coverage Δ
end_to_end	?
integration	41.55% <100.00%> (-0.09%)	⬇️
unit	70.17% <100.00%> (-0.03%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/_pytask/mark/structures.py	91.80% <100.00%> (-1.44%)	⬇️
tests/test_debugging.py	30.43% <0.00%> (-68.85%)	⬇️
tests/test_clean.py	32.22% <0.00%> (-67.78%)	⬇️
tests/test_collect_command.py	33.33% <0.00%> (-66.67%)	⬇️
tests/test_execute.py	33.60% <0.00%> (-66.41%)	⬇️
tests/test_skipping.py	35.15% <0.00%> (-64.85%)	⬇️
tests/test_profile.py	38.23% <0.00%> (-61.77%)	⬇️
tests/test_graph.py	36.04% <0.00%> (-61.63%)	⬇️
tests/test_database.py	42.30% <0.00%> (-57.70%)	⬇️
tests/test_build.py	48.14% <0.00%> (-51.86%)	⬇️
... and 39 more

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