lib: remove util.isArray

[RafaelGSS]

This API has been deprecated for quite a long time.

This commit removes it completely.

---

How do we feel about removing this API now? @nodejs/tsc

[richardlau]

You'll need to change

node/doc/api/deprecations.md

Lines 983 to 1005 in 81af7b9

	### DEP0044: `util.isArray()`
	<!-- YAML
	changes:
	- version: v22.0.0
	pr-url: https://github.com/nodejs/node/pull/50488
	description: Runtime deprecation.
	- version:
	- v6.12.0
	- v4.8.6
	pr-url: https://github.com/nodejs/node/pull/10116
	description: A deprecation code has been assigned.
	- version:
	- v4.0.0
	- v3.3.1
	pr-url: https://github.com/nodejs/node/pull/2447
	description: Documentation-only deprecation.
	-->
	Type: Runtime
	The [`util.isArray()`][] API is deprecated. Please use `Array.isArray()`
	instead.

to End-of-Life deprecation.

[richardlau]

And isn't this #58027?

[RafaelGSS]

And isn't this #58027?

Uh, it is! I didn't see that.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.44%. Comparing base (81af7b9) to head (779042e).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #59981      +/-   ##
==========================================
- Coverage   88.45%   88.44%   -0.02%     
==========================================
  Files         703      703              
  Lines      207367   207364       -3     
  Branches    39976    39974       -2     
==========================================
- Hits       183436   183409      -27     
- Misses      15931    15968      +37     
+ Partials     8000     7987      -13     

Files with missing lines	Coverage Δ
lib/util.js	97.77% <ø> (-0.20%)	⬇️

... and 34 files with indirect coverage changes

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