refactor: make builders types great again

[Qjuh]

Please describe the changes this PR makes and why it should be merged:

Simplify builders types to have better docs while (hopefully) not losing functionality or correctness.

Resolves #9292

Status and versioning classification:

• Code changes have been tested against the Discord API, or there are no code changes
• I know how to update typings and have done so, or typings don't need updating

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Name	Status	Preview	Comments	Updated (UTC)
discord-js	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 22, 2024 2:59pm
discord-js-guide	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 22, 2024 2:59pm

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (1431c18) 58.49% compared to head (a1eb68d) 58.47%.
Report is 3 commits behind head on main.

Files	Patch %	Lines
...ractions/slashCommands/mixins/SharedSubcommands.ts	97.07%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10026      +/-   ##
==========================================
- Coverage   58.49%   58.47%   -0.03%     
==========================================
  Files         242      243       +1     
  Lines       17255    17119     -136     
  Branches     1246     1236      -10     
==========================================
- Hits        10093    10010      -83     
+ Misses       7117     7064      -53     
  Partials       45       45              

Flag	Coverage Δ
builders	95.56% <98.12%> (+0.03%)	⬆️
next	∅ <ø> (∅)

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[vladfrangu]

If it still works, LGTM