Remove explicit empty "" handling in ConfigParser
#2086
| Job | Run time |
|---|---|
| 2m 38s | |
| 2m 37s | |
| 2m 27s | |
| 2m 12s | |
| 2m 18s | |
| 1m 48s | |
| 2m 39s | |
| 2m 20s | |
| 5m 36s | |
| 2m 4s | |
| 1m 45s | |
| 2m 8s | |
| 1m 39s | |
| 3m 30s | |
| 5m 27s | |
| 5m 30s | |
| 5m 21s | |
| 5m 2s | |
| 5m 35s | |
| 2m 25s | |
| 1h 5m 1s |