update cli-docs-gen tools to remove old reference doc files

[glours]

What I did
Update cli-docs-gen tool to remove old reference documentation files

Related issue
N/A

(not mandatory) A picture of a cute animal, if possible in relation to what you did

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.93%. Comparing base (6727908) to head (91f61cf).
Report is 477 commits behind head on main.

Additional details and impacted files

@@ Coverage Diff @@## main #11155 +/- ##
==========================================
- Coverage 57.16% 56.93% -0.24% 
==========================================
Files 129 133 +4 Lines 11339 11364 +25 ==========================================
- Hits 6482 6470 -12 - Misses 4225 4269 +44 + Partials 632 625 -7 

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