Add mixed comments to input code, make some tooltip clearer

Source/Core/InputCommon/InputConfig.cpp

@@ -133,7 +133,6 @@ bool InputConfig::LoadConfig(bool isGC)
       }
 #endif
       controller->LoadConfig(&config);
-      // Update refs
       controller->UpdateReferences(g_controller_interface);
       controller_names.push_back(controller->GetName());