config(qt): Fix name of network category

Turns out the network interface is in the Services category. Can't wait
get rid of this whole config.

Addresses yuzu-emu/yuzu/issues/11205

src/yuzu/configuration/config.cpp

@@ -727,8 +727,7 @@ void Config::ReadMultiplayerValues() {
 }
 
 void Config::ReadNetworkValues() {
-    qt_config->beginGroup(
-        QString::fromUtf8(Settings::TranslateCategory(Settings::Category::Network)));
+    qt_config->beginGroup(QString::fromStdString("Services"));
 
     ReadCategory(Settings::Category::Network);