Clean up old codes

examples/js/distances/distance.js

@@ -65,6 +65,6 @@ function calculateDistance(source, target, properties, normArgs) {
     sumDiff *= properties.length/cols;
   }
 
-  console.log(sumDiff);
+  //console.log(sumDiff);
   return sumDiff;
-}
+}

examples/js/src/neighbourSampling-papaparsing.js

@@ -25,9 +25,8 @@ var intercom = Intercom.getInstance();
 
 intercom.on("select", unSelectNodes);
 
-var links = [],
-  nodes,
-  node,
+var nodes, // as in Data points
+  node, // as in SVG object that have all small circles on screen
   props,
   norm,
   p1 = 0,