revert: atlas and precision change

Looks like Atlas (the new migration library under Ent) cannot
handle precision properly.

An issue has been reported to Ent: https://github.com/ent/ent/issues/2454

Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>

storage/ent/postgres.go

@@ -57,7 +57,7 @@ func (p *Postgres) Open(logger log.Logger) (storage.Storage, error) {
 		client.WithTxIsolationLevel(sql.LevelSerializable),
 	)
 
-	if err := databaseClient.Schema().Create(context.TODO(), schema.WithAtlas(true)); err != nil {
+	if err := databaseClient.Schema().Create(context.TODO(), schema.WithAtlas(false)); err != nil {
 		return nil, err
 	}