Remove `react-transition-group` dependency #14650

Job	Run time
Install node modules	26s
Zip and Upload files to Veracode	0s
Audit node modules	27s
Build and lint packages (ubuntu-latest)	1m 22s
Build and lint packages (windows-latest)	2m 56s
Test for a11y violations	2m 43s
Build website and playgrounds	3m 8s
Run unit tests	4m 0s
Run visual tests (css)	7m 48s
Run visual tests (react)	8m 35s
Run e2e tests	2m 57s
Push static files to github pages	2m 11s
	36m 33s

Provide feedback