chore: remove dev-server-storybook

[bashmish]

What I did

1. It's been 3 years since we released https://www.npmjs.com/package/@web/storybook-builder and effectively deprecated @web/dev-server-storybook.
2. In the light of current ongoing refactorings it's high time to remove the package.

[changeset-bot]

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Latest commit: 355df6c

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