A way to do this without restarting the game if you died late in the chapter, press the Xbox button as soon as you got killed, press start on your the game and go to Manage game and add-ons, saved data, then press A on your profile and delete from console. What this will do is take you to a previous checkpoint when you load your game again, with no deaths. I tested this on the final area against Catnap when I died and can confirm you can still get the achievement as long as you don’t die again.