chore!: remove fakeXMLHttpRequest and fakeServer

[mroderick]

BREAKING CHANGE: remove fakeXMLHttpRequest and fakeServer from the API

Times have changed, and people shouldn't be using these anymore, but prefer better options for testing their remote requests.

How to verify - mandatory

1. Check out this branch
2. npm install
3. npm test

Checklist for author

• npm run lint passes
• References to standard library functions are cached.

[socket-security]

New and removed dependencies detected. Learn more about Socket for GitHub ↗︎

Package	New capabilities	Transitives	Size	Publisher

🚮 Removed packages: npm/[email protected]

View full report↗︎

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.03%. Comparing base (7af1d23) to head (9a7967b).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2642      +/-   ##
==========================================
- Coverage   96.09%   96.03%   -0.06%     
==========================================
  Files          40       40              
  Lines        1944     1919      -25     
==========================================
- Hits         1868     1843      -25     
  Misses         76       76              

Flag	Coverage Δ
unit	96.03% <100.00%> (-0.06%)	⬇️

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[fatso83]

It's time. We might want to add some notes to the migration-guide.md about alternatives (msw, etc).