doc: simplify hybrid nvidia instructions

Author: tesselslate

doc/00_setup.md

@@ -107,22 +107,9 @@ ensures that preemptive navigation works correctly.
 ### Dual-GPU systems
 
 If you have a system with an Nvidia GPU and an integrated GPU (quite common
-in laptops), then you are likely to run into issues with waywall.
+in laptops), go to the `Performance` tab and check `Use discrete GPU`.
 
-  - If you're on Arch, make sure that the `nvidia-prime` package is installed.
-  - Otherwise, create a script called `prime-run` on your PATH with the following content:
-
-```sh
-#!/usr/bin/env bash
-__NV_PRIME_RENDER_OFFLOAD=1 __VK_LAYER_NV_optimus=NVIDIA_only __GLX_VENDOR_LIBRARY_NAME=nvidia "$@"
-```
-
-> [!IMPORTANT]
-> If you're creating the script yourself (i.e. you are not on Arch), make sure
-> to mark it as executable with `chmod +x`!
-
-After that, change your wrapper command to `waywall wrap -- prime-run` and
-waywall should work correctly.
+![The Prism Launcher menu for enabling discrete GPU](assets/prism-discrete-gpu.png)
 
 [prebuilt package]: https://github.com/tesselslate/waywall/releases
 [Prism Launcher]: https://prismlauncher.org