RFR: 8339524: Clean up a few ExtendedRobot tests [v9]

[Alisen Chung]

On Tue, 19 Nov 2024 21:35:25 GMT, Alisen Chung <achung at openjdk.org> wrote:

>> Cleaning up tests building ExtendedRobot that shouldn't be.
>
> Alisen Chung has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fix imports

All comments resolved, can I get a re-approval for the new changes

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PR Comment: https://git.openjdk.org/jdk/pull/20846#issuecomment-2498689897