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1. Base your code and PRs against the repositories developmental branch.
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4. File a pull request for any change that requires changes to our documentation at our documentation repo

What does this PR aim to accomplish?:

Clean up redundant prefixes based on the currently set browserslist.

How does this PR accomplish the above?:

Link documentation PRs if any are needed to support this PR:

By submitting this pull request, I confirm the following:

1. I have read and understood the contributors guide, as well as this entire template. I understand which branch to base my commits and Pull Requests against.
2. I have commented my proposed changes within the code and I have tested my changes.
3. I am willing to help maintain this change if there are issues with it later.
4. It is compatible with the EUPL 1.2 license
5. I have squashed any insignificant commits. (git rebase)
6. I have checked that another pull request for this purpose does not exist.
7. I have considered, and confirmed that this submission will be valuable to others.
8. I accept that this submission may not be used, and the pull request closed at the will of the maintainer.
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• I have read the above and my PR is ready for review. Check this box to confirm