Not my problem to solve: Revert "Try to get a bit more info on the Windows test failure"

This reverts commit dea921d.

This is unrelated to this PR and is being tracked in #678.

Author: jennybc

.github/workflows/test-windows.yml

@@ -16,7 +16,6 @@ jobs:
     timeout-minutes: 30
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      RUST_BACKTRACE: 1
     steps:
       - uses: actions/checkout@v4