remove minsmax check in favour of automatic

src/makieplotting.jl

@@ -330,19 +330,6 @@ function Makie.plot!(SF::Surface{<:Tuple{<:MakiePlotter{2}}})
     coords = @lift begin
         Point3f[Point3f(coord[1], coord[2], $(solution)[idx]) for (idx, coord) in enumerate(plotter.physical_coords)]
     end
-    mins = @lift(minimum(x->isnan(x) ?  1e10 : x, $solution))
-    maxs = @lift(maximum(x->isnan(x) ? -1e10 : x, $solution))
-    SF[:colorrange] = @lift begin
-        if isapprox($mins,$maxs)
-            if isapprox($mins,zero($mins)) && isapprox($maxs,zero($maxs))
-                (1e-18,2e-18)
-            else
-                ($mins,1.01($maxs))
-            end
-        else
-            ($mins,$maxs)
-        end
-    end
     return Makie.mesh!(SF, coords, plotter.vis_triangles, color=solution, scale_plot=SF[:scale_plot], shading=SF[:shading], colormap=SF[:colormap], colorrange=SF[:colorrange], nan_color=SF[:nan_color])
 end