remove not used selectors from icon's class

gadget_json_generated_form_child.js

@@ -22,6 +22,17 @@
     return typeof doc;
   }
 
+  function createElement(type, props) {
+    var element = document.createElement(type),
+      key;
+    for (key in props) {
+      if (props.hasOwnProperty(key)) {
+        element.setAttribute(key, props[key]);
+      }
+    }
+    return element;
+  }
+
   function getDocumentSchema(doc) {
     var type = getDocumentType(doc),
       schema = {
@@ -417,9 +428,7 @@
             })
             .push(function (ret) {
               var input = document.createElement("button");
-              input.setAttribute("class",
-                "ui-shadow-inset ui-btn ui-btn-inline ui-corner-all" +
-                " ui-btn-icon-notext ui-icon-btn ui-icon-plus ui-input-btn");
+              input.setAttribute("class", "ui-btn-icon-notext ui-icon-plus");
               input.type = "button";
               input.title = title;
               if (!ret) {
@@ -617,24 +626,21 @@
     div.title = json_field.description;
     // if (key && !first_path) {
     if (options.delete_button === true) {
-      delete_button = document.createElement("span");
-      delete_button.setAttribute("class",
-        "ui-shadow-inset ui-btn ui-btn-inline ui-corner-all" +
-        " ui-btn-icon-top ui-icon-btn ui-icon-trash-o");
+      delete_button = createElement("span",
+          {"class": "ui-btn-icon-top ui-icon-trash-o"}
+          );
       gadget.props.delete_button = delete_button;
       div.appendChild(delete_button);
     } else if (options.top !== true) {
       if (options.required) {
-        delete_button = document.createElement("span");
-        delete_button.setAttribute("class",
-          "ui-shadow-inset ui-btn ui-btn-inline ui-corner-all" +
-          " ui-btn-icon-top ui-icon-btn ui-icon-circle");
+        delete_button = createElement("span",
+            {"class": "ui-btn-icon-top ui-icon-circle"}
+            );
         div.appendChild(delete_button);
       } else {
-        delete_button = document.createElement("span");
+        delete_button = createElement("span");
         delete_button.innerHTML = " ";
         div.appendChild(delete_button);
-
       }
     }
     if (false) {