tools: Reorganize block generator scripts.

[winder]

Summary

Cleanup the block-generator root directory by moving dev scripts into a script subdirectory and removing the run_test.sh script.

[codecov]

Codecov Report

Merging #5582 (d9d90b1) into master (fbfbea1) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5582      +/-   ##
==========================================
+ Coverage   55.80%   55.82%   +0.02%     
==========================================
  Files         446      446              
  Lines       63486    63486              
==========================================
+ Hits        35430    35443      +13     
+ Misses      25680    25674       -6     
+ Partials     2376     2369       -7     

see 11 files with indirect coverage changes

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[tzaffi]

This all looks reasonable. I think it's worth seeing which commands in the Makefile have been broken -if any- and then for the broken ones, triage and decide whether to:

• fix
• remove
• comment out with a TODO comment indicating future fix

[winder]

@tzaffi Thanks, I think I fixed the only Makefile problem.

[tzaffi]

LGTM