Implement old properties removal

Author: Turbo87

lib/transform.js

@@ -127,7 +127,23 @@ function transform(componentPath) {
   }
   debug(`${componentPath}: templatePath: %o`, templatePath);
 
-  // TODO set `tagName: ''` and remove `attributeBindings`, `classNames`, ...
+  // TODO set `tagName: ''`
+
+  // remove `elementId`, `attributeBindings`, `classNames` and `classNameBindings`
+  j(properties)
+    .find(j.ObjectProperty)
+    .filter(path => path.parentPath === properties)
+    .filter(
+      path =>
+        isProperty(path, 'elementId') ||
+        isProperty(path, 'attributeBindings') ||
+        isProperty(path, 'classNames') ||
+        isProperty(path, 'classNameBindings')
+    )
+    .remove();
+
+  fs.writeFileSync(componentPath, root.toSource(), 'utf8');
+
   // TODO wrap existing template with root element
 }