Cleanup qt-jdenticon loading

src/JdenticonProvider.cpp

@@ -88,20 +88,16 @@ getJdenticonInterface()
     if (interface == nullptr && interfaceExists) {
         QDir pluginsDir(qApp->applicationDirPath());
 
-        bool plugins = pluginsDir.cd("plugins");
-        if (plugins) {
-            for (const QString &fileName : pluginsDir.entryList(QDir::Files)) {
-                QPluginLoader pluginLoader(pluginsDir.absoluteFilePath(fileName));
+        QPluginLoader pluginLoader("qtjdenticon");
         QObject *plugin = pluginLoader.instance();
         if (plugin) {
             interface = qobject_cast<JdenticonInterface *>(plugin);
             if (interface) {
                 nhlog::ui()->info("Loaded jdenticon plugin.");
-                        break;
             }
         }
-            }
-        } else {
+
+        if (!interface) {
             nhlog::ui()->info("jdenticon plugin not found.");
             interfaceExists = false;
         }