[CHIA-691] simplify MempoolItem
#28103
| Job | Run time |
|---|---|
| 15s | |
| 15m 11s | |
| 30m 31s | |
| 28s | |
| 2m 0s | |
| 2m 22s | |
| 54s | |
| 38m 36s | |
| 1m 59s | |
| 2m 25s | |
| 4m 6s | |
| 1m 17s | |
| 24s | |
| 42m 38s | |
| 3m 1s | |
| 1m 18s | |
| 30s | |
| 2m 15s | |
| 1m 0s | |
| 1m 7s | |
| 32s | |
| 2m 16s | |
| 2m 29s | |
| 1m 48s | |
| 28s | |
| 2h 39m 50s |