Flaky test test_gdb_end_to_end

[ludfjig]

Failed in CI here https://github.com/hyperlight-dev/hyperlight/actions/runs/19812795580/job/56758240739?pr=1060#step:12:71

[ludfjig]

Another here https://github.com/hyperlight-dev/hyperlight/actions/runs/20114142572/job/57719244380#step:13:1

[danbugs]

This could be fixed by not failing when we can't delete the file.