Make package name compatible with version installed by make setup

db/migrations/20201003111749_add_starred_at_index.go

@@ -1,23 +0,0 @@
-package migrations
-
-import (
-	"database/sql"
-
-	"github.com/pressly/goose"
-)
-
-func init() {
-	goose.AddMigration(Up20201003111749, Down20201003111749)
-}
-
-func Up20201003111749(tx *sql.Tx) error {
-	_, err := tx.Exec(`
-create index if not exists annotation_starred_at
-	on annotation (starred_at);
-    `)
-	return err
-}
-
-func Down20201003111749(tx *sql.Tx) error {
-	return nil
-}