Add storage bounds for pallet staking and clean up deprecated non paged exposure storages
#11721
| Job | Run time |
|---|---|
| 46s | |
| 1m 3s | |
| 7m 10s | |
| 4m 59s | |
| 22m 17s | |
| 3m 57s | |
| 0s | |
| 40m 12s |