Moves faucet link to the bottom, update buy.bitcoin.com icon style

src/js/services/pricechartService.js

@@ -3,17 +3,5 @@ angular.module('copayApp.services').factory('pricechartService', function($http,
   var root = {};
   var credentials = {};
 
-  var nextStepItem = {
-    name: 'pricechart',
-    title: 'Bitcoin Price Charts',
-    icon: 'icon-chart',
-    sref: 'tabs.pricechart',
-  };
-
-  var register = function() {
-        nextStepsService.register(nextStepItem);
-  };
-
-  register();
   return root;
 });