remove constructor

src/constants.jl

@@ -22,8 +22,7 @@ struct GSParams
     Dv::Float64  # diffusion rate V
     F::Float64   # feed rate
     k::Float64   # kill rate
-    GSParams(; N::Int, dx::Float64, Du::Float64, Dv::Float64, F::Float64, k::Float64) =
-        new(N, dx, Du, Dv, ϵ, a)
+
 end
 
 export FHNParams, GSParams