Revert "connected kind of"

This reverts commit 1643157fe8.

fucked up should go in my branch

advection/src/EulerAdvectionKernel.cpp

@@ -0,0 +1,13 @@
+
+#include "EulerAdvectionKernel.h"
+#include "interpolate.h"
+
+using namespace std;
+
+EulerAdvectionKernel::EulerAdvectionKernel(std::shared_ptr<UVGrid> grid): grid(grid) { }
+
+std::pair<double, double> EulerAdvectionKernel::advect(int time, double latitude, double longitude) const {
+    auto [u, v] = bilinearinterpolate(*grid, time, latitude, longitude);
+
+    return {latitude+metreToDegrees(v*DT), longitude+metreToDegrees(u*DT)};
+}