cmd: drop unused check-syntax-c target

[bboozzoo]

The target is no longer used anywhere.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.06%. Comparing base (a272aac) to head (a1e1900).
Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #15085      +/-   ##
==========================================
- Coverage   78.07%   78.06%   -0.01%     
==========================================
  Files        1182     1181       -1     
  Lines      157743   157740       -3     
==========================================
- Hits       123154   123146       -8     
- Misses      26943    26947       +4     
- Partials     7646     7647       +1     

Flag	Coverage Δ
unittests	78.06% <ø> (-0.01%)	⬇️

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[miguelpires]

lgtm, thanks

[github-actions]

Fri Feb 14 15:03:55 UTC 2025

Spread tests skipped