[Blocked]: do not compile away properties and methods

[NullVoxPopuli]

This should be tested with a couple consumers before merge, this could be considered a breaking change if consumers are not expecting to have to compile away private fields / methods or class fields / methods entirely. I think ember-cli-babel will handle this for them tho.

This is BLOCKED until this is resolved:

• [Bug]: Excessive class properties transformation when other plugins are present babel/babel#14917 (comment)
  atm, babel compiles in a runtime error if the class-properties transform hasn't ran.
• Once the above is resolved, this issue should also be able to be closed:
  Error: Decorating class property failed. Please ensure that proposal-class-properties is enabled and runs after the decorators transform. emberjs/ember-cli-babel#447

Did some math in a googlesheet: https://docs.google.com/spreadsheets/d/12k6wnuvE4peVqQRMGFHCYq3fXgx5tsadlyPIolEQKnY/edit?usp=sharing

Improvement by not compiling away properties and methods
	js	min	min + gzip	min + brotli
/index.js	-5.21%	-5.54%	-1.52%	-2.63%
├── core/class-based/index.js	-8.85%	-6.82%	-6.90%	-7.40%
├── core/function-based/index.js	-6.95%	0.00%	0.00%	0.00%
└── core/use.js	0.00%	0.00%	0.00%	0.00%
/util/cell.js	-8.74%	-21.21%	-10.51%	-12.34%
/util/debounce.js	-3.13%	-9.05%	-7.09%	-5.92%
/util/ember-concurrency.js	-2.35%	-8.51%	-7.48%	-7.59%
/util/function-resource.js	0.00%	0.00%	0.00%	0.00%
/util/function.js	-4.40%	-9.88%	-5.24%	-4.57%
/util/helper.js	0.00%	0.00%	0.00%	0.00%
/util/keep-latest.js	0.00%	0.00%	0.00%	0.00%
/util/map.js	-31.26%	-67.61%	-42.88%	-42.59%
/util/remote-data.js	0.00%	-10.76%	-6.31%	-5.52%

[cloudflare-workers-and-pages]

Deploying with    Cloudflare Pages

Latest commit:	7e8ddba
Status:	✅  Deploy successful!
Preview URL:	https://4e677c96.ember-resources.pages.dev
Branch Preview URL:	https://do-not-compile-away-properti.ember-resources.pages.dev

View logs

[github-actions]

Estimated impact to a consuming app, depending on which bundle is imported

	js	min	min + gzip	min + brotli
/index.js	13.06 kB	3.07 kB	1.32 kB	1.14 kB
├── core/class-based/index.js	4.07 kB	1.76 kB	869 B	743 B
├── core/function-based/index.js	5.61 kB	552 B	269 B	213 B
└── core/use.js	2.91 kB	415 B	256 B	203 B
/util/cell.js	1.83 kB	660 B	371 B	308 B
/util/debounce.js	2.56 kB	707 B	381 B	321 B
/util/ember-concurrency.js	4.25 kB	1.41 kB	682 B	580 B
/util/function-resource.js	216 B	154 B	123 B	87 B
/util/function.js	3.86 kB	1.62 kB	668 B	569 B
/util/helper.js	1.8 kB	303 B	218 B	177 B
/util/keep-latest.js	1.75 kB	512 B	296 B	235 B
/util/map.js	4.35 kB	1.42 kB	695 B	594 B
/util/remote-data.js	4.86 kB	1.58 kB	634 B	562 B

[NullVoxPopuli]

ember-resources should use this in the next major: https://github.com/ef4/decorator-transforms
it'd be a major, because it'll require a min version of ember-cli-babel in consuming apps.