CI code cleaning

[carmocca]

What does this PR do?

Pruning old code

Before submitting

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• [n/a] Did you write any new necessary tests? (not for typos and docs)
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PR review

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[codecov]

Codecov Report

Merging #7615 (670f5dd) into master (8266b14) will decrease coverage by 5%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #7615    +/-   ##
=======================================
- Coverage      92%     88%    -5%     
=======================================
  Files         198     198            
  Lines       12930   12803   -127     
=======================================
- Hits        11955   11245   -710     
- Misses        975    1558   +583     

[tchaton]

LGTM !