Remove unused RecheckHeaders method from the events Repository interface

libraries/shared/factories/event/repository.go

@@ -17,13 +17,11 @@
 package event
 
 import (
-	"github.com/vulcanize/vulcanizedb/pkg/core"
 	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
 )
 
 type Repository interface {
 	Create(headerID int64, models []interface{}) error
 	MarkHeaderChecked(headerID int64) error
-	RecheckHeaders(startingBlockNumber, endingBlockNUmber int64) ([]core.Header, error)
 	SetDB(db *postgres.DB)
 }