Clean up icu_datetime/experimental
#13704
| Job | Run time |
|---|---|
| 9m 46s | |
| 9m 59s | |
| 12m 23s | |
| 25m 50s | |
| 7m 15s | |
| 10m 28s | |
| 12m 19s | |
| 22m 58s | |
| 35m 22s | |
| 17m 28s | |
| 24m 1s | |
| 16m 38s | |
| 11m 25s | |
| 11m 9s | |
| 24m 56s | |
| 19m 23s | |
| 6m 42s | |
| 6m 13s | |
| 3m 49s | |
| 34s | |
| 58s | |
| 5m 33s | |
| 0s | |
| 4h 55m 9s |