unnecessary promise constructors removed

frontend-js/src/main/js/map/data/LayoutData.js

@@ -133,7 +133,7 @@ LayoutData.prototype.getFullAliasById = function(id) {
   if (alias !== undefined) {
     if (alias.getType() === LayoutAlias.LIGTH) {
       return ServerConnector.getFullOverlayElement({
-        element: new IdentifiedElement(alias),
+        element : new IdentifiedElement(alias),
         overlay : self,
       }).then(function(data) {
         self.updateAlias(data);
@@ -163,25 +163,20 @@ LayoutData.prototype.getReactions = function() {
 LayoutData.prototype.init = function() {
   var self = this;
   if (this.isInitialized()) {
-    return new Promise(function(resolve) {
-      resolve();
-    });
+    return Promise.resolve();
   }
-  return new Promise(function(resolve, reject) {
-    ServerConnector.getOverlayElements(self.getId()).then(function(data) {
-      for (var i = 0; i < data.length; i++) {
-        if (data[i] instanceof LayoutAlias) {
-          self.addAlias(data[i]);
-        } else if (data[i] instanceof LayoutReaction) {
-          self.addReaction(data[i]);
-        } else {
-          reject("Unknown element type: " + typeof (data[i]));
-        }
-
+  return ServerConnector.getOverlayElements(self.getId()).then(function(data) {
+    for (var i = 0; i < data.length; i++) {
+      if (data[i] instanceof LayoutAlias) {
+        self.addAlias(data[i]);
+      } else if (data[i] instanceof LayoutReaction) {
+        self.addReaction(data[i]);
+      } else {
+        reject("Unknown element type: " + typeof (data[i]));
       }
-      self.setInitialized(true);
-      resolve();
-    }, reject);
+
+    }
+    self.setInitialized(true);
   });
 
 };