core/rawdb: remove outdated functions (ethereum#32542)

Author: rjl493456442

core/rawdb/accessors_metadata.go

@@ -174,16 +174,3 @@ func UpdateUncleanShutdownMarker(db ethdb.KeyValueStore) {
 		log.Warn("Failed to write unclean-shutdown marker", "err", err)
 	}
 }
-
-// ReadTransitionStatus retrieves the eth2 transition status from the database
-func ReadTransitionStatus(db ethdb.KeyValueReader) []byte {
-	data, _ := db.Get(transitionStatusKey)
-	return data
-}
-
-// WriteTransitionStatus stores the eth2 transition status to the database
-func WriteTransitionStatus(db ethdb.KeyValueWriter, data []byte) {
-	if err := db.Put(transitionStatusKey, data); err != nil {
-		log.Crit("Failed to store the eth2 transition status", "err", err)
-	}
-}

core/rawdb/schema.go

@@ -95,7 +95,7 @@ var (
 	uncleanShutdownKey = []byte("unclean-shutdown") // config prefix for the db
 
 	// transitionStatusKey tracks the eth2 transition status.
-	transitionStatusKey = []byte("eth2-transition")
+	transitionStatusKey = []byte("eth2-transition") // deprecated
 
 	// snapSyncStatusFlagKey flags that status of snap sync.
 	snapSyncStatusFlagKey = []byte("SnapSyncStatus")