Add storage bounds for pallet staking and clean up deprecated non paged exposure storages
#16901
| Job | Run time |
|---|---|
| 46s | |
| 1m 1s | |
| 7m 45s | |
| 5m 30s | |
| 4m 43s | |
| 4m 47s | |
| 4m 59s | |
| 1s | |
| 29m 32s |