Replace Python numerical kernels with native C execution

tests/test_amesim_pnpl01_component.py

@@ -22,23 +22,7 @@ class AmesimPnpl01ComponentTests(unittest.TestCase):
         self.assertEqual(set(source.ports), {"port_1"})
         self.assertEqual(source.parameter_values, {})
 
-    def test_zero_flow_residual_uses_port_mass_flow(self) -> None:
-        source = AmesimPnpl01("plug_1")
-        source.port_1.m_flow = 0.125
 
-        residuals = source.pressure_flow_equation_residuals()
-
-        self.assertEqual(len(residuals), 1)
-        self.assertEqual(residuals[0].id, "plug_1:zero_mass_flow")
-        self.assertEqual(residuals[0].variables, ("plug_1.port_1.m_flow",))
-        self.assertEqual(residuals[0].value, 0.125)
-
-    def test_stream_outflow_tracks_connected_enthalpy_when_available(self) -> None:
-        source = AmesimPnpl01("plug_1")
-
-        source.update_stream_outflows({"port_1": 123.0})
-
-        self.assertEqual(source.port_1.h_outflow, 123.0)
 
 
 if __name__ == "__main__":