build: remove babel-plugin-polyfill-corejs3 to avoid Babel issue building Storybook

[WesSouza]

The build error happens inside that plugin, which shouldn't be necessary in modern browsers.

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Name	Status	Preview	Updated
react95	✅ Ready (Inspect)	Visit Preview	Aug 6, 2022 at 4:36PM (UTC)

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:tada: This PR is included in version 4.0.0-beta.13 :tada:

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:tada: This PR is included in version 4.0.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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