All gifts, grants, or conveyances, made prior to and after July fourth, one thousand seven hundred and seventy-six, of any estate of inheritance, by letters patent, under the great seal of this state, or in any other manner by this state, by the legislature thereof, or by the commissioners or agents of forfeited estates, or by other lawful and competent authority under this state, shall be and remain allodial, and not feudal, and shall forever be and continue in free and pure allodium only, forever discharged of all feudal tenures and the incidents thereof, and all other services whatsoever.