[common] Better approach to enabling and disabling the Web Applet (#2729)

This implements a better approach to enabling and disabling the Web Applet, whether compiled or not.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2729
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Co-authored-by: MaranBr <maranbr@outlook.com>
Co-committed-by: MaranBr <maranbr@outlook.com>

src/qt_common/uisettings.h

@@ -139,7 +139,7 @@ struct Values {
                                       Settings::Specialization::Default,
                                       true,
                                       true};
-    Setting<bool> disable_web_applet{linkage, true, "disable_web_applet", Category::Ui};
+
     Setting<bool> check_for_updates{linkage, true, "check_for_updates", Category::UiGeneral};
 
     // Discord RPC