remove InternalDebugger

[awaelchli]

What does this PR do?

Fixes #9661

Follow up to #9675

What does this PR do?

Fixes

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[codecov]

Codecov Report

Merging #9680 (3999251) into master (d67aff7) will increase coverage by 0%.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #9680   +/-   ##
======================================
  Coverage      93%     93%           
======================================
  Files         179     178    -1     
  Lines       15280   15261   -19     
======================================
- Hits        14169   14156   -13     
+ Misses       1111    1105    -6