remove a kernel call that seems like a duplicate

test.py

@@ -68,11 +68,6 @@ def test_compute_flux_derivatives_gpu(ctx_factory):
             metric_jacobians=metric_jacobians,
             flux_derivatives=flux_derivatives_dev)
 
-    prg(queue, nvars=nvars, ndim=ndim,
-            states=states, fluxes=fluxes, metrics=metrics,
-            metric_jacobians=metric_jacobians,
-            flux_derivatives=flux_derivatives_dev)
-
 
 # This lets you run 'python test.py test_case(cl._csc)' without pytest.
 if __name__ == "__main__":