TiKV configuration: remove redundant instructions (#6218) (#6289)

tikv-configuration-file.md

@@ -462,14 +462,9 @@ Configuration items related to Raftstore
 
 ### `hibernate-regions`
 
-+ Enables or disables Hibernate Region. When this option is enabled, a Region idle for a long time is automatically set as hibernated. This reduces the extra overhead caused by heartbeat messages between the Raft leader and the followers for idle Regions. You can use `raftstore.peer-stale-state-check-interval` to modify the heartbeat interval between the leader and the followers of hibernated Regions.
++ Enables or disables Hibernate Region. When this option is enabled, a Region idle for a long time is automatically set as hibernated. This reduces the extra overhead caused by heartbeat messages between the Raft leader and the followers for idle Regions. You can use `peer-stale-state-check-interval` to modify the heartbeat interval between the leader and the followers of hibernated Regions.
 + Default value: `true` in v5.0.2 and later versions; `false` in versions before v5.0.2
 
-### `raftstore.peer-stale-state-check-interval`
-
-+ Modifies the state check interval for Regions.
-+ Default value: 5 min
-
 ### `split-region-check-tick-interval`
 
 + Specifies the interval at which to check whether the Region split is needed. `0` means that this feature is disabled.