fix(db): remove incorrect comment

internal/db/interface.go

@@ -4,7 +4,7 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
 // You can obtain one at https://mozilla.org/MPL/2.0/.
 
-package db // import "github.com/syncthing/syncthing/internal/db/sqlite"
+package db
 
 import (
 	"iter"