Remove deprecated code referring to the RET instruction
Remove deprecated code referring to the RET instruction

chubbymaggie/barf-project,cnheitman/barf-project,cnheitman/barf-project,cnheitman/barf-project,programa-stic/barf-project,chubbymaggie/barf-project,programa-stic/barf-project,chubbymaggie/barf-project