Remove scaffolds that don't support stable cadence

[chasefleming]

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For contributor use:

• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work
• Code follows the standards mentioned here
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 33.91%. Comparing base (a47f410) to head (0826b71).

Additional details and impacted files

@@                   Coverage Diff                   @@
##           feature/stable-cadence    #1649   +/-   ##
=======================================================
  Coverage                   33.91%   33.91%           
=======================================================
  Files                         100      100           
  Lines                        6222     6222           
=======================================================
  Hits                         2110     2110           
  Misses                       3828     3828           
  Partials                      284      284           

Flag	Coverage Δ
unittests	33.91% <ø> (ø)

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