[TASK] Remove local storage test

lib/forcegraph.js

@@ -38,10 +38,6 @@ define(['d3', 'helper'], function (d3, helper) {
     }
 
     function savePositions() {
-      if (!helper.localStorageTest()) {
-        return;
-      }
-
       var save = intNodes.map(function (d) {
         return { id: d.o.id, x: d.x, y: d.y };
       });
@@ -721,22 +717,20 @@ define(['d3', 'helper'], function (d3, helper) {
         return !d.o.node;
       });
 
-      if (helper.localStorageTest()) {
-        var save = JSON.parse(localStorage.getItem('graph/nodeposition'));
+      var save = JSON.parse(localStorage.getItem('graph/nodeposition'));
 
-        if (save) {
-          var nodePositions = {};
-          save.forEach(function (d) {
-            nodePositions[d.id] = d;
-          });
+      if (save) {
+        var nodePositions = {};
+        save.forEach(function (d) {
+          nodePositions[d.id] = d;
+        });
 
-          intNodes.forEach(function (d) {
-            if (nodePositions[d.o.id] && (d.x === undefined || d.y === undefined)) {
-              d.x = nodePositions[d.o.id].x;
-              d.y = nodePositions[d.o.id].y;
-            }
-          });
-        }
+        intNodes.forEach(function (d) {
+          if (nodePositions[d.o.id] && (d.x === undefined || d.y === undefined)) {
+            d.x = nodePositions[d.o.id].x;
+            d.y = nodePositions[d.o.id].y;
+          }
+        });
       }
 
       var diameter = graphDiameter(intNodes);

lib/utils/helper.js

@@ -66,17 +66,6 @@ define({
     return this.dictGet(dict[k], key);
   },
 
-  localStorageTest: function localStorageTest() {
-    var test = 'test';
-    try {
-      localStorage.setItem(test, test);
-      localStorage.removeItem(test);
-      return true;
-    } catch (e) {
-      return false;
-    }
-  },
-
   listReplace: function listReplace(s, subst) {
     for (var key in subst) {
       var re = new RegExp(key, 'g');