Fix invalid noqa warning

[JeanChristopheMorinPerso]

Fix an invalid noqa comment seen in https://github.com/AcademySoftwareFoundation/rez/actions/runs/27997874535/job/82863757314#step:3:17.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 61.29%. Comparing base (1a83acf) to head (d74f03b).
⚠️ Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
src/rez/config.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2155      +/-   ##
==========================================
- Coverage   61.31%   61.29%   -0.02%     
==========================================
  Files         164      164              
  Lines       20568    20568              
  Branches     3575     3575              
==========================================
- Hits        12611    12607       -4     
- Misses       7085     7089       +4     
  Partials      872      872              

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