Fix rm error when files don't actually exist to be deleted.
#140
| Job | Run time |
|---|---|
| 52s | |
| 2m 51s | |
| 2m 21s | |
| 2m 27s | |
| 2m 20s | |
| 2m 17s | |
| 2m 15s | |
| 1m 15s | |
| 2m 19s | |
| 2m 20s | |
| 1m 51s | |
| 2m 20s | |
| 25m 28s |