Remove `react-transition-group` dependency #14637

Job	Run time
Zip and Upload files to Veracode	0s
Install node modules	26s
Build website and playgrounds	48s
Audit node modules	26s
Build and lint packages (ubuntu-latest)	1m 1s
Test for a11y violations	59s
Build and lint packages (windows-latest)	1m 4s
Run e2e tests	55s
Run unit tests	1m 10s
Run visual tests (css)	7m 48s
Run visual tests (react)	58s
Push static files to github pages	1m 7s
	16m 42s

Provide feedback