fix(dev): remove unused css-bundle path resolution

[markdalgleish]

The resolved path for @remix-run/css-bundle became redundant due to #6982 since we don't read the package contents anymore.

[changeset-bot]

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Latest commit: 9b7f76e

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[github-actions]

🤖 Hello there,

We just published version v0.0.0-nightly-49e8da1-20230823 which includes this pull request. If you'd like to take it for a test run please try it out and let us know what you think!

Thanks!

[github-actions]

🤖 Hello there,

We just published version 2.0.0-pre.0 which includes this pull request. If you'd like to take it for a test run please try it out and let us know what you think!

Thanks!