Remove un-used lib files

[ijjk]

This cleans up lib files that didn't end up getting used and were left over from changes.

Bug

• Related issues linked using fixes #number
• Integration tests added

Feature

• Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
• Related issues linked using fixes #number
• Integration tests added
• Documentation added
• Telemetry added. In case of a feature if it's used or not.

Documentation / Examples

• Make sure the linting passes

[ijjk]

Stats from current PR

Default Server Mode (Increase detected ⚠️)

General Overall decrease ✓

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
buildDuration	11.5s	11.2s	-303ms
buildDurationCached	3.6s	3.5s	-148ms
nodeModulesSize	46.6 MB	46.5 MB	-126 kB

Page Load Tests Overall increase ✓

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
/ failed reqs	0	0	✓
/ total time (seconds)	1.896	1.891	0
/ avg req/sec	1318.26	1321.82	+3.56
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.067	1.024	-0.04
/error-in-render avg req/sec	2344.01	2441.08	+97.07

Client Bundles (main, webpack, commons)

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
597-HASH.js gzip	13.2 kB	13.2 kB	✓
778-HASH.js gzip	7.12 kB	7.12 kB	✓
framework-HASH.js gzip	39.3 kB	39.3 kB	✓
main-HASH.js gzip	151 B	151 B	✓
webpack-HASH.js gzip	993 B	993 B	✓
Overall change	60.7 kB	60.7 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
polyfills-HASH.js gzip	31.1 kB	31.1 kB	✓
Overall change	31.1 kB	31.1 kB	✓

Client Pages

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
_app-HASH.js gzip	1.3 kB	1.3 kB	✓
_error-HASH.js gzip	3.68 kB	3.68 kB	✓
amp-HASH.js gzip	558 B	558 B	✓
css-HASH.js gzip	363 B	363 B	✓
hooks-HASH.js gzip	924 B	924 B	✓
index-HASH.js gzip	243 B	243 B	✓
link-HASH.js gzip	1.66 kB	1.66 kB	✓
routerDirect..HASH.js gzip	336 B	336 B	✓
withRouter-HASH.js gzip	334 B	334 B	✓
99a142a5cfae..804.css gzip	125 B	125 B	✓
Overall change	9.52 kB	9.52 kB	✓

Client Build Manifests

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
_buildManifest.js gzip	390 B	390 B	✓
Overall change	390 B	390 B	✓

Rendered Page Sizes

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
index.html gzip	608 B	608 B	✓
link.html gzip	615 B	615 B	✓
withRouter.html gzip	605 B	605 B	✓
Overall change	1.83 kB	1.83 kB	✓

---

Serverless Mode (Decrease detected ✓)

General Overall decrease ✓

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
buildDuration	14.2s	14s	-280ms
buildDurationCached	5.4s	5.3s	-119ms
nodeModulesSize	46.6 MB	46.5 MB	-126 kB

Client Bundles (main, webpack, commons)

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
597-HASH.js gzip	13.2 kB	13.2 kB	✓
778-HASH.js gzip	7.12 kB	7.12 kB	✓
framework-HASH.js gzip	39.3 kB	39.3 kB	✓
main-HASH.js gzip	151 B	151 B	✓
webpack-HASH.js gzip	993 B	993 B	✓
Overall change	60.7 kB	60.7 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
polyfills-HASH.js gzip	31.1 kB	31.1 kB	✓
Overall change	31.1 kB	31.1 kB	✓

Client Pages

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
_app-HASH.js gzip	1.3 kB	1.3 kB	✓
_error-HASH.js gzip	3.68 kB	3.68 kB	✓
amp-HASH.js gzip	558 B	558 B	✓
css-HASH.js gzip	363 B	363 B	✓
hooks-HASH.js gzip	924 B	924 B	✓
index-HASH.js gzip	243 B	243 B	✓
link-HASH.js gzip	1.66 kB	1.66 kB	✓
routerDirect..HASH.js gzip	336 B	336 B	✓
withRouter-HASH.js gzip	334 B	334 B	✓
99a142a5cfae..804.css gzip	125 B	125 B	✓
Overall change	9.52 kB	9.52 kB	✓

Client Build Manifests

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
_buildManifest.js gzip	390 B	390 B	✓
Overall change	390 B	390 B	✓

Serverless bundles Overall increase ⚠️

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
_error.js	1.35 MB	1.35 MB	✓
404.html	2.76 kB	2.76 kB	✓
500.html	2.75 kB	2.75 kB	✓
amp.amp.html	10.8 kB	10.8 kB	✓
amp.html	1.96 kB	1.96 kB	✓
css.html	2.13 kB	2.13 kB	✓
hooks.html	2.01 kB	2.01 kB	✓
index.js	1.35 MB	1.35 MB	✓
link.js	1.4 MB	1.4 MB	⚠️ +2 B
routerDirect.js	1.4 MB	1.4 MB	⚠️ +2 B
withRouter.js	1.4 MB	1.4 MB	✓
Overall change	6.91 MB	6.91 MB	⚠️ +4 B

---

Webpack 4 Mode (Increase detected ⚠️)

General Overall decrease ✓

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
buildDuration	9.4s	9.8s	⚠️ +356ms
buildDurationCached	4s	3.9s	-120ms
nodeModulesSize	46.6 MB	46.5 MB	-126 kB

Page Load Tests Overall increase ✓

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
/ failed reqs	0	0	✓
/ total time (seconds)	1.99	1.99	✓
/ avg req/sec	1256.5	1256.39	⚠️ -0.11
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.075	1.039	-0.04
/error-in-render avg req/sec	2326.1	2405.98	+79.88

Client Bundles (main, webpack, commons)

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
677f882d2ed8..HASH.js gzip	13.3 kB	13.3 kB	✓
framework.HASH.js gzip	39 kB	39 kB	✓
main-HASH.js gzip	7.19 kB	7.19 kB	✓
webpack-HASH.js gzip	751 B	751 B	✓
Overall change	60.2 kB	60.2 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
polyfills-HASH.js gzip	31.3 kB	31.3 kB	✓
Overall change	31.3 kB	31.3 kB	✓

Client Pages

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
_app-HASH.js gzip	1.28 kB	1.28 kB	✓
_error-HASH.js gzip	3.71 kB	3.71 kB	✓
amp-HASH.js gzip	536 B	536 B	✓
css-HASH.js gzip	339 B	339 B	✓
hooks-HASH.js gzip	887 B	887 B	✓
index-HASH.js gzip	227 B	227 B	✓
link-HASH.js gzip	1.65 kB	1.65 kB	✓
routerDirect..HASH.js gzip	303 B	303 B	✓
withRouter-HASH.js gzip	302 B	302 B	✓
21c68fa65a48..217.css gzip	125 B	125 B	✓
Overall change	9.36 kB	9.36 kB	✓

Client Build Manifests

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
_buildManifest.js gzip	419 B	419 B	✓
Overall change	419 B	419 B	✓

Rendered Page Sizes

	vercel/next.js canary	ijjk/next.js rm/unused-files	Change
index.html gzip	612 B	612 B	✓
link.html gzip	620 B	620 B	✓
withRouter.html gzip	607 B	607 B	✓
Overall change	1.84 kB	1.84 kB	✓

Commit: 1a45160