Remove flag codemod

[kassens]

Remove flag codemod

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Stack created with Sapling. Best reviewed with ReviewStack.

• Remove dynamic www flag for disableInputAttributeSyncing #28703
• -> Remove flag codemod #28702

[react-sizebot]

Comparing: 5ab97b7...db9cf82

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	=	177.10 kB	177.10 kB	=	55.05 kB	55.05 kB
oss-experimental/react-dom/cjs/react-dom.production.min.js	=	172.94 kB	172.94 kB	=	53.91 kB	53.91 kB
facebook-www/ReactDOM-prod.classic.js	=	592.68 kB	592.68 kB	=	103.96 kB	103.96 kB
facebook-www/ReactDOM-prod.modern.js	=	574.37 kB	574.37 kB	=	100.98 kB	100.98 kB
test_utils/ReactAllWarnings.js	Deleted	64.93 kB	0.00 kB	Deleted	16.24 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	64.93 kB	0.00 kB	Deleted	16.24 kB	0.00 kB

Generated by 🚫 dangerJS against db9cf82