Update GTX 750 Ti with no working on Pi 5.

Author: geerlingguy

_cards_gpu/evga-geforce-gtx-750ti.md

@@ -3,7 +3,7 @@ layout: card
 title: "EVGA Nvidia GeForce GTX 750 Ti"
 picture: "/images/gpu-evga-geforce-gtx-750ti.jpg"
 functionality_cm4: "None"
-functionality_pi5: "Untested"
+functionality_pi5: "None"
 driver_required: "Yes"
 github_issue: "https://github.com/geerlingguy/raspberry-pi-pcie-devices/issues/26"
 buy_link: https://amzn.to/3l2rrXs