Remove qt5_wrap_ui macro usage

src/citra_qt/ui_settings.cpp

@@ -1,17 +0,0 @@
-// Copyright 2016 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "ui_settings.h"
-
-namespace UISettings {
-
-const Themes themes{{
-    {"Default", "default"},
-    {"Dark", "qdarkstyle"},
-    {"Colorful", "colorful"},
-    {"Colorful Dark", "colorful_dark"},
-}};
-
-Values values = {};
-} // namespace UISettings