style: remove extra space for `package.json`

[Debbl]

Summary

remove extra space for package.json

How did you test this change?

This is a code style change

[react-sizebot]

Comparing: c8a035036d0f257c514b3628e927dd9dd26e5a09...a3e9923bc14b6c420b85ceb11dac7dfe5f9e2a20

Critical size changes

Includes critical production bundles, as well as any change greater than 2%:

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
oss-stable/react-dom/cjs/react-dom.production.min.js	=	168.76 kB	168.76 kB	=	52.91 kB	52.91 kB
oss-experimental/react-dom/cjs/react-dom.production.min.js	=	170.57 kB	170.57 kB	=	53.44 kB	53.44 kB
facebook-www/ReactDOM-prod.classic.js	=	590.84 kB	590.84 kB	=	103.91 kB	103.91 kB
facebook-www/ReactDOM-prod.modern.js	=	566.66 kB	566.66 kB	=	100.10 kB	100.10 kB
test_utils/ReactAllWarnings.js	Deleted	64.44 kB	0.00 kB	Deleted	16.10 kB	0.00 kB

Significant size changes

Includes any change greater than 0.2%:

Expand to show

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
test_utils/ReactAllWarnings.js	Deleted	64.44 kB	0.00 kB	Deleted	16.10 kB	0.00 kB

Generated by :no_entry_sign: dangerJS against a3e9923bc14b6c420b85ceb11dac7dfe5f9e2a20