Remove unnecessary 'url' param in drawGraph

assets/js/graph.js

@@ -1,5 +1,4 @@
 async function drawGraph(
-  _url,
   baseUrl,
   pathColors,
   depth,

layouts/partials/head.html

@@ -75,7 +75,6 @@
         container.textContent = "";
 
         drawGraph(
-          {{strings.TrimRight "/" .Page.Permalink}},
           {{strings.TrimRight "/" .Site.BaseURL}},
           {{$.Site.Data.graphConfig.paths}},
           {{$.Site.Data.graphConfig.depth}},