Remove fallback to name for array model title (Fixes #3424)

src/core/components/array-model.jsx

@@ -17,7 +17,7 @@ export default class ArrayModel extends Component {
   render(){
     let { getComponent, required, schema, depth, expandDepth } = this.props
     let items = schema.get("items")
-    let title = schema.get("title") || name
+    let title = schema.get("title")
     let properties = schema.filter( ( v, key) => ["type", "items", "$$ref"].indexOf(key) === -1 )
 
     const ModelCollapse = getComponent("ModelCollapse")