* Remove Blockstore member variable from BlockCommitmentCache
* Hoist is_confirmed_rooted() to its only caller
BlockCommitmentCache no longer depends on Blockstore
* Move BlockCommitmentCache to solana_runtime
* Remove unused StakeLockout::lockout
* Revert...
* Really revert to the original behavior...
* Use consistent naming after StakeLockout removal
* Furhter clean up
* Missed type aliases...
* More...
* Even more...