QmlDesigner: Do not use Component in PathView source

The Component is not required (implicit component) and
the Component item is not allowed in .ui.qml files.

Change-Id: I705df5eb5b002f710ba87279083fa282e82639c8
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/plugins/qmldesigner/qtquickplugin/source/pathviewv2.qml

@@ -53,8 +53,7 @@ PathView {
             colorCode: "green"
         }
     }
-    delegate: Component {
-        Column {
+    delegate: Column {
         spacing: 5
         Rectangle {
             width: 40
@@ -70,5 +69,4 @@ PathView {
         }
     }
 }
-}