System: Clear cheat list on reset

src/core/achievements.h

@@ -74,7 +74,7 @@ void Logout();
 /// Called when the system changes game, or is booting.
 void GameChanged(const std::string& path, CDImage* image);
 
-/// Re-enables hardcode mode if it is enabled in the settings.
+/// Re-enables hardcore mode if it is enabled in the settings.
 bool ResetHardcoreMode();
 
 /// Forces hardcore mode off until next reset.

src/core/system.cpp

@@ -1084,7 +1084,12 @@ void System::ResetSystem()
     return;
 
   if (Achievements::ResetHardcoreMode())
+  {
+    // Make sure a pre-existing cheat file hasn't been loaded when resetting
+    // after enabling HC mode.
+    s_cheat_list.reset();
     ApplySettings(false);
+  }
 
   InternalReset();
   ResetPerformanceCounters();