Remove ouput of the current DateTime when generated files from AXL

[grospelliergilles]

This will improve usage with ccache : it will prevent useless recompilation when we are re-generating files.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.24%. Comparing base (132dc05) to head (b28baba).
Report is 2 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1797      +/-   ##
==========================================
- Coverage   70.24%   70.24%   -0.01%     
==========================================
  Files        2259     2259              
  Lines      162379   162379              
  Branches    18705    18705              
==========================================
- Hits       114067   114062       -5     
- Misses      41540    41543       +3     
- Partials     6772     6774       +2     

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