fix lint

Author: randy-cro

x/staking/types/keys.go

@@ -51,8 +51,6 @@ var (
 	RedelegationQueueKey = []byte{0x42} // prefix for the timestamps in redelegations queue
 	ValidatorQueueKey    = []byte{0x43} // prefix for the timestamps in validator queue
 
-	// Pending queue slot indexes: store the set of (time, height) or (time) slots that
-	// have queue entries, so end-block can process without iterating from prefix start.
 	ValidatorQueuePendingSlotsKey    = []byte{0x44} // single key: pending validator queue slots
 	UBDQueuePendingSlotsKey          = []byte{0x45} // single key: pending UBD queue times
 	RedelegationQueuePendingSlotsKey = []byte{0x46} // single key: pending redelegation queue times