Remove the code to manually initialize resources in static builds

After commit be9a56e5e3ced5d0d668fa24e4c65ae928f2e25a in qtbase, this is
not needed anymore. Instead the resource system injects the plugin entry
point with a reference to all resources.

Change-Id: I09efba67c3d2e9b68b73707101f1b8cc22284131
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>

src/imports/qmlwebsockets/qmlwebsockets_plugin.h

@@ -42,13 +42,6 @@
 
 #include <QQmlExtensionPlugin>
 
-static void initResources()
-{
-#ifdef QT_STATIC
-    Q_INIT_RESOURCE(qmake_QtWebSockets);
-#endif
-}
-
 QT_BEGIN_NAMESPACE
 
 class QtWebSocketsDeclarativeModule : public QQmlExtensionPlugin
@@ -57,7 +50,7 @@ class QtWebSocketsDeclarativeModule : public QQmlExtensionPlugin
     Q_PLUGIN_METADATA(IID QQmlExtensionInterface_iid)
 
 public:
-    QtWebSocketsDeclarativeModule(QObject *parent = 0) : QQmlExtensionPlugin(parent) { initResources(); }
+    QtWebSocketsDeclarativeModule(QObject *parent = 0) : QQmlExtensionPlugin(parent) { }
     void registerTypes(const char *uri);
 };