Update examples section in README

Removed a broken link to Grok from the examples section.

Author: wuyoscar

README.md

@@ -29,7 +29,7 @@
 
 > **What is ISC?** When AI agents complete incomplete professional workflows involving sensitive data, the very capability that makes them useful — filling in missing pieces to finish the job — causes them to produce harmful outputs. No adversarial prompts, no jailbreaks. The workflow itself is the trigger.
 
-**Examples:** [Grok](https://grok.com/share/c2hhcmQtMi1jb3B5_54de710c-9331-4fca-a953-6c35775156fb) · [Kimi](https://www.kimi.com/share/19d2ab75-8f02-88ab-8000-00006acdf337) · [Claude](https://claude.ai/share/cc972f9b-a558-4bca-8bc6-0e6d65590793)
+**Examples:**  [Kimi](https://www.kimi.com/share/19d2ab75-8f02-88ab-8000-00006acdf337) · [Claude](https://claude.ai/share/cc972f9b-a558-4bca-8bc6-0e6d65590793)
 
 > [!CAUTION]
 > Research-use only. ISC-Bench is released exclusively for academic safety research, evaluation, and mitigation work. **We do not condone or permit any use of these materials for malicious purposes or real-world harm.**