settings: Move settings sanitization to its own function

Creates a new function that can be expanded later to fix other settings that are known to cause emulation errors across executables.

src/yuzu/configuration/config.cpp

@@ -1342,11 +1342,13 @@ void Config::WriteSettingGlobal(const QString& name, const QVariant& value, bool
 
 void Config::Reload() {
     ReadValues();
+    Settings::Sanitize();
     // To apply default value changes
     SaveValues();
     Settings::Apply();
 }
 
 void Config::Save() {
+    Settings::Sanitize();
     SaveValues();
 }

src/yuzu/main.cpp

@@ -1053,10 +1053,6 @@ void GMainWindow::BootGame(const QString& filename) {
     if (!(loader == nullptr || loader->ReadProgramId(title_id) != Loader::ResultStatus::Success)) {
         // Load per game settings
         Config per_game_config(fmt::format("{:016X}.ini", title_id), false);
-
-        Settings::values.use_asynchronous_gpu_emulation.SetValue(
-            Settings::values.use_asynchronous_gpu_emulation.GetValue() ||
-            Settings::values.use_multi_core.GetValue());
     }
 
     Settings::LogSettings();