Remove scheduler test failure status plan (#47000)

Leftover from https://github.com/zed-industries/zed/pull/46671, CC
@ConradIrwin

Release Notes:

- N/A
47a276328bFinn Evers committed on 1/16/2026, 4:03:25 PM· committed by GitHubparent2aa8d5c
1 file changedLine totals unavailable