Drop url dependency

[guybedford]

This removes the unused url dependency from next, which seems like it is mostly replaced with native-url at this point.

[Timer]

This LGTM if tests are passing. @timneutkens do you know of a need for this?

[ijjk]

Stats from current PR

Default Server Mode (Decrease detected ✓)

General Overall decrease ✓

	zeit/next.js canary	guybedford/next.js drop-url	Change
buildDuration	10.4s	10.5s	⚠️ +130ms
nodeModulesSize	47.7 MB	47.7 MB	-133 B

Client Bundles (main, webpack, commons)

	zeit/next.js canary	guybedford/next.js drop-url	Change
main-HASH.js gzip	6.25 kB	6.25 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
de003c3a9d30..c6c1.js gzip	10.1 kB	10.1 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	56.3 kB	56.3 kB	✓

Client Bundles (main, webpack, commons) Modern

	zeit/next.js canary	guybedford/next.js drop-url	Change
main-HASH.module.js gzip	4.78 kB	4.78 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
de003c3a9d30..dule.js gzip	6.71 kB	6.71 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	51.4 kB	51.4 kB	✓

Legacy Client Bundles (polyfills)

	zeit/next.js canary	guybedford/next.js drop-url	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Pages

	zeit/next.js canary	guybedford/next.js drop-url	Change
_app.js gzip	1.24 kB	1.24 kB	✓
_error.js gzip	3.15 kB	3.15 kB	✓
hooks.js gzip	664 B	664 B	✓
index.js gzip	222 B	222 B	✓
link.js gzip	2.03 kB	2.03 kB	✓
routerDirect.js gzip	279 B	279 B	✓
withRouter.js gzip	278 B	278 B	✓
Overall change	7.86 kB	7.86 kB	✓

Client Pages Modern

	zeit/next.js canary	guybedford/next.js drop-url	Change
_app.module.js gzip	594 B	594 B	✓
_error.module.js gzip	2.08 kB	2.08 kB	✓
hooks.module.js gzip	370 B	370 B	✓
index.module.js gzip	212 B	212 B	✓
link.module.js gzip	1.48 kB	1.48 kB	✓
routerDirect..dule.js gzip	271 B	271 B	✓
withRouter.m..dule.js gzip	270 B	270 B	✓
Overall change	5.28 kB	5.28 kB	✓

Client Build Manifests

	zeit/next.js canary	guybedford/next.js drop-url	Change
_buildManifest.js gzip	61 B	61 B	✓
_buildManife..dule.js gzip	61 B	61 B	✓
Overall change	122 B	122 B	✓

Rendered Page Sizes

	zeit/next.js canary	guybedford/next.js drop-url	Change
index.html gzip	920 B	920 B	✓
link.html gzip	928 B	928 B	✓
withRouter.html gzip	916 B	916 B	✓
Overall change	2.76 kB	2.76 kB	✓

---

Serverless Mode (Decrease detected ✓)

General Overall decrease ✓

	zeit/next.js canary	guybedford/next.js drop-url	Change
buildDuration	11s	11.1s	⚠️ +101ms
nodeModulesSize	47.7 MB	47.7 MB	-133 B

Client Bundles (main, webpack, commons)

	zeit/next.js canary	guybedford/next.js drop-url	Change
main-HASH.js gzip	6.25 kB	6.25 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
de003c3a9d30..c6c1.js gzip	10.1 kB	10.1 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	56.3 kB	56.3 kB	✓

Client Bundles (main, webpack, commons) Modern

	zeit/next.js canary	guybedford/next.js drop-url	Change
main-HASH.module.js gzip	4.78 kB	4.78 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
de003c3a9d30..dule.js gzip	6.71 kB	6.71 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	51.4 kB	51.4 kB	✓

Legacy Client Bundles (polyfills)

	zeit/next.js canary	guybedford/next.js drop-url	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Pages

	zeit/next.js canary	guybedford/next.js drop-url	Change
_app.js gzip	1.24 kB	1.24 kB	✓
_error.js gzip	3.15 kB	3.15 kB	✓
hooks.js gzip	664 B	664 B	✓
index.js gzip	222 B	222 B	✓
link.js gzip	2.03 kB	2.03 kB	✓
routerDirect.js gzip	279 B	279 B	✓
withRouter.js gzip	278 B	278 B	✓
Overall change	7.86 kB	7.86 kB	✓

Client Pages Modern

	zeit/next.js canary	guybedford/next.js drop-url	Change
_app.module.js gzip	594 B	594 B	✓
_error.module.js gzip	2.08 kB	2.08 kB	✓
hooks.module.js gzip	370 B	370 B	✓
index.module.js gzip	212 B	212 B	✓
link.module.js gzip	1.48 kB	1.48 kB	✓
routerDirect..dule.js gzip	271 B	271 B	✓
withRouter.m..dule.js gzip	270 B	270 B	✓
Overall change	5.28 kB	5.28 kB	✓

Client Build Manifests

	zeit/next.js canary	guybedford/next.js drop-url	Change
_buildManifest.js gzip	61 B	61 B	✓
_buildManife..dule.js gzip	61 B	61 B	✓
Overall change	122 B	122 B	✓

Serverless bundles Overall decrease ✓

	zeit/next.js canary	guybedford/next.js drop-url	Change
_error.js gzip	233 kB	233 kB	-134 B
404.html gzip	1.32 kB	1.32 kB	✓
hooks.html gzip	960 B	960 B	✓
index.js gzip	233 kB	233 kB	-104 B
link.js gzip	243 kB	243 kB	-269 B
routerDirect.js gzip	241 kB	241 kB	⚠️ +200 B
withRouter.js gzip	241 kB	241 kB	⚠️ +19 B
Overall change	1.19 MB	1.19 MB	-288 B

[timneutkens]

@Timer it was replaced by native-url indeed.