nix d3js load

src/js/familyTree.tw

@@ -17,11 +17,6 @@ var lastActiveSlave, lastSlaves, lastPC;
 
 */
 
-var d3scr = document.createElement('script');
-d3scr.setAttribute('type', 'text/javascript');
-d3scr.setAttribute('src', 'https://d3js.org/d3.v4.min.js');
-document.getElementsByTagName('head')[0].appendChild(d3scr);
-
 window.renderFamilyTree = function(slaves, filterID) {
 
 	var ftreeWidth,ftreeHeight;