Merge pull request #54271 from PhilKang0704/2026_4-Monthly-broken-links-fix-pk-837

2026_4-Monthly-broken-links-fix-pk-837

Author: prmerger-automator[bot]

learn-pr/azure/introduction-to-hololens/includes/6-summary.md

@@ -15,8 +15,6 @@ Independent software vendors that build mixed reality solutions on Azure are lar
 ## Additional reading
 
 1. [The Total Economic Impact™ Of Mixed Reality Using Microsoft HoloLens 2, a commissioned study conducted by Forrester Consulting, November 2021](https://tools.totaleconomicimpact.com/go/microsoft/HoloLens2/)
-1. [Porsche cars North America full customer story](https://customers.microsoft.com/story/1523387086361264063-porsche-cars-north-america-automotive-dynamics-365-guides-dynamics-365-remote-assist-hololens)
-1. [Imperial College Healthcare NHS Trust customer story](https://customers.microsoft.com/story/825289-imperial-nhs)
 1. [HoloLens 2 capabilities and solutions](/hololens/hololens-commercial-features)
 1. [Develop for HoloLens - get Started](/windows/mixed-reality/develop/development?tabs=unity)
 1. [Microsoft Store](/hololens/holographic-store-apps)