Cleanup enableBigIntSupport flag

[kassens]

Cleanup enableBigIntSupport flag

[react-sizebot]

Comparing: 4e8121a...334fbc4

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	=	169.31 kB	169.31 kB	=	52.76 kB	52.76 kB
oss-experimental/react-dom/cjs/react-dom.production.min.js	=	171.13 kB	171.13 kB	=	53.33 kB	53.33 kB
facebook-www/ReactDOM-prod.classic.js	=	589.36 kB	589.03 kB	=	103.73 kB	103.68 kB
facebook-www/ReactDOM-prod.modern.js	=	566.39 kB	566.05 kB	=	99.64 kB	99.59 kB
test_utils/ReactAllWarnings.js	Deleted	64.58 kB	0.00 kB	Deleted	16.14 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
facebook-www/ReactServer-dev.modern.js	=	95.12 kB	94.92 kB	=	22.50 kB	22.44 kB
facebook-www/React-profiling.classic.js	=	21.44 kB	21.34 kB	=	5.32 kB	5.30 kB
facebook-www/React-profiling.modern.js	=	21.44 kB	21.34 kB	=	5.32 kB	5.30 kB
facebook-react-native/react/cjs/React-profiling.js	=	21.09 kB	20.98 kB	=	5.25 kB	5.23 kB
facebook-www/React-prod.classic.js	=	21.01 kB	20.90 kB	=	5.24 kB	5.22 kB
facebook-www/React-prod.modern.js	=	21.01 kB	20.90 kB	=	5.24 kB	5.22 kB
facebook-react-native/react/cjs/React-prod.js	=	20.65 kB	20.55 kB	=	5.18 kB	5.16 kB
facebook-www/ReactServer-prod.modern.js	=	17.65 kB	17.55 kB	=	4.61 kB	4.58 kB
test_utils/ReactAllWarnings.js	Deleted	64.58 kB	0.00 kB	Deleted	16.14 kB	0.00 kB

Generated by 🚫 dangerJS against 334fbc4