[go][node][python][ruby] Remove @now/build-utils backwards compat hack

[TooTallNate]

@now/build-utils has not been published in a long time, so let's remove this logic.

[codecov]

Codecov Report

Merging #6603 (61e607e) into main (288dca0) will decrease coverage by 1.06%.
The diff coverage is n/a.

❗ Current head 61e607e differs from pull request most recent head b09644a. Consider uploading reports for the commit b09644a to get more accurate results

@@            Coverage Diff             @@
##             main    #6603      +/-   ##
==========================================
- Coverage   13.52%   12.45%   -1.07%     
==========================================
  Files         263      263              
  Lines        9829     9700     -129     
  Branches     1632     1694      +62     
==========================================
- Hits         1329     1208     -121     
+ Misses       8408     8393      -15     
- Partials       92       99       +7     

Impacted Files	Coverage Δ
src/util/dev/builder-cache.ts	64.47% <0.00%> (-11.43%)	⬇️
src/util/dev/server.ts	48.93% <0.00%> (-4.57%)	⬇️
src/util/metrics.ts	57.69% <0.00%> (+3.14%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 288dca0...b09644a. Read the comment docs.