Remove unused import? (#4201)

Release builds are currently failing:
https://github.com/zed-industries/zed/actions/runs/7616903969/job/20744857084

It is unclear to me why debug builds are not.

Release Notes:

- (Added|Fixed|Improved) ...
([#<public_issue_number_if_exists>](https://github.com/zed-industries/community/issues/<public_issue_number_if_exists>)).
2bfbd72483Conrad Irwin committed on 1/22/2024, 8:48:36 PM· committed by GitHubparentsc5465d22445df8
1 file changedLine totals unavailable