chore(create-next-app): remove stub types definition

[jamesgeorge007]

@types/next is a stub types definition.

[ijjk]

Stats from current PR

Default Server Mode (Increase detected ⚠️)

General

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
buildDuration	13.4s	13.2s	-166ms
buildDurationCached	4.2s	4.1s	-63ms
nodeModulesSize	46.7 MB	46.7 MB	✓

Page Load Tests Overall increase ✓

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.202	2.261	⚠️ +0.06
/ avg req/sec	1135.41	1105.5	⚠️ -29.91
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.17	1.134	-0.04
/error-in-render avg req/sec	2137.58	2204.63	+67.05

Client Bundles (main, webpack, commons)

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
framework-HASH.js gzip	39.3 kB	39.3 kB	✓
main-HASH.js gzip	19.4 kB	19.4 kB	✓
webpack-HASH.js gzip	994 B	994 B	✓
Overall change	59.7 kB	59.7 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	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	jamesgeorge007/next.js create-next-app-ts	Change
_app-HASH.js gzip	1.02 kB	1.02 kB	✓
_error-HASH.js gzip	3.06 kB	3.06 kB	✓
amp-HASH.js gzip	526 B	526 B	✓
css-HASH.js gzip	334 B	334 B	✓
hooks-HASH.js gzip	890 B	890 B	✓
index-HASH.js gzip	262 B	262 B	✓
link-HASH.js gzip	1.65 kB	1.65 kB	✓
routerDirect..HASH.js gzip	331 B	331 B	✓
withRouter-HASH.js gzip	329 B	329 B	✓
bb14e60e810b..30f.css gzip	125 B	125 B	✓
Overall change	8.54 kB	8.54 kB	✓

Client Build Manifests

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
_buildManifest.js gzip	390 B	390 B	✓
Overall change	390 B	390 B	✓

Rendered Page Sizes

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
index.html gzip	560 B	560 B	✓
link.html gzip	569 B	569 B	✓
withRouter.html gzip	557 B	557 B	✓
Overall change	1.69 kB	1.69 kB	✓

---

Serverless Mode (Decrease detected ✓)

General

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
buildDuration	16.8s	16.5s	-244ms
buildDurationCached	5.9s	6.2s	⚠️ +255ms
nodeModulesSize	46.7 MB	46.7 MB	✓

Client Bundles (main, webpack, commons)

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
framework-HASH.js gzip	39.3 kB	39.3 kB	✓
main-HASH.js gzip	19.4 kB	19.4 kB	✓
webpack-HASH.js gzip	994 B	994 B	✓
Overall change	59.7 kB	59.7 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	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	jamesgeorge007/next.js create-next-app-ts	Change
_app-HASH.js gzip	1.02 kB	1.02 kB	✓
_error-HASH.js gzip	3.06 kB	3.06 kB	✓
amp-HASH.js gzip	526 B	526 B	✓
css-HASH.js gzip	334 B	334 B	✓
hooks-HASH.js gzip	890 B	890 B	✓
index-HASH.js gzip	262 B	262 B	✓
link-HASH.js gzip	1.65 kB	1.65 kB	✓
routerDirect..HASH.js gzip	331 B	331 B	✓
withRouter-HASH.js gzip	329 B	329 B	✓
bb14e60e810b..30f.css gzip	125 B	125 B	✓
Overall change	8.54 kB	8.54 kB	✓

Client Build Manifests

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
_buildManifest.js gzip	390 B	390 B	✓
Overall change	390 B	390 B	✓

Serverless bundles Overall decrease ✓

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
_error.js	1.34 MB	1.34 MB	✓
404.html	2.42 kB	2.42 kB	✓
500.html	2.41 kB	2.41 kB	✓
amp.amp.html	10.8 kB	10.8 kB	✓
amp.html	1.61 kB	1.61 kB	✓
css.html	1.79 kB	1.79 kB	✓
hooks.html	1.67 kB	1.67 kB	✓
index.js	1.34 MB	1.34 MB	✓
link.js	1.4 MB	1.4 MB	✓
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	-2 B

---

Webpack 4 Mode (Decrease detected ✓)

General

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
buildDuration	11.4s	11.5s	⚠️ +54ms
buildDurationCached	4.9s	4.6s	-248ms
nodeModulesSize	46.7 MB	46.7 MB	✓

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.278	2.284	⚠️ +0.01
/ avg req/sec	1097.3	1094.78	⚠️ -2.52
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.189	1.203	⚠️ +0.01
/error-in-render avg req/sec	2102.47	2078.68	⚠️ -23.79

Client Bundles (main, webpack, commons)

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
677f882d2ed8..HASH.js gzip	13.3 kB	13.3 kB	✓
framework.HASH.js gzip	39 kB	39 kB	✓
main-HASH.js gzip	7.26 kB	7.26 kB	✓
webpack-HASH.js gzip	751 B	751 B	✓
Overall change	60.3 kB	60.3 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	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	jamesgeorge007/next.js create-next-app-ts	Change
_app-HASH.js gzip	1.28 kB	1.28 kB	✓
_error-HASH.js gzip	3.74 kB	3.74 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	1.64 kB	1.64 kB	✓
routerDirect..HASH.js gzip	303 B	303 B	✓
withRouter-HASH.js gzip	302 B	302 B	✓
e025d2764813..52f.css gzip	125 B	125 B	✓
Overall change	9.38 kB	9.38 kB	✓

Client Build Manifests

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
_buildManifest.js gzip	420 B	420 B	✓
Overall change	420 B	420 B	✓

Rendered Page Sizes

	vercel/next.js canary	jamesgeorge007/next.js create-next-app-ts	Change
index.html gzip	614 B	614 B	✓
link.html gzip	620 B	620 B	✓
withRouter.html gzip	606 B	606 B	✓
Overall change	1.84 kB	1.84 kB	✓

Commit: ffc3746