Dependencies: Bump prettier dependency, cleanup config

[IanVS]

Issue: N/A

I'm doing a little cleanup of linting/prettier, and found a few issues:

• We had duplicate prettier configs, .prettierrc and prettier.config.js. When running prettier via eslint, it seems that prettier.config.js was being used, but running on the command line (e.g. with yarn lint:other), then .prettierrc was used.
• in our dependencies for prettier for a few packages, we were pinning to <=2.3.0, due to IE support (Fix prettier transpile problems #17239).
• @storybook/components was setting prettier as a dev dependency, even though it is used as a direct dependency. This is necessary, for prettier to be pre-bundled.

What I did

• Removing the rc file exposed that html was not formatting correctly with the babel parser, so I removed the override and yarn lint:other now passes.
• Since we've dropped IE, I think we can remove the restriction on prettier version, so I did. This has a potential to save a lot of install size, since older versions of prettier are about 20mb on disk (https://packagephobia.com/result?p=prettier).
• I moved prettier to dependencies of @storybook/components. Reverted this, needs to get pre-bundled.

How to test

CI should pass

[JReinhold]

LGTM 👍

[IanVS]

I reverted the move of prettier from devDeps to deps. It's back to devDependencies. This is ready for review.