Revert "Graph layout optimizations"

client/app/scripts/utils/node-shape-utils.js

@@ -1,12 +0,0 @@
-import { line, curveCardinalClosed } from 'd3-shape';
-import range from 'lodash/range';
-
-const shapeSpline = line().curve(curveCardinalClosed.tension(0.65));
-
-export function nodeShapePolygon(radius, n) {
-  const innerAngle = (2 * Math.PI) / n;
-  return shapeSpline(range(0, n).map(k => [
-    radius * Math.sin(k * innerAngle),
-    -radius * Math.cos(k * innerAngle)
-  ]));
-}