Remove internal link from README

Author: Ickerday

tests/system/test_apps/mcp_enabled_app/README.md

@@ -1,6 +1,6 @@
 # splunk-mcp-poc
 
-This example aspires to verify the points listed in [POC - AI with Splunk Apps](https://cisco-my.sharepoint.com/:w:/r/personal/hbalacha_cisco_com/Documents/POC%20-%20AI%20with%20Splunk%20Apps.docx?d=w2776e089011943abbd84c0fa30a53f34&csf=1&web=1&e=RxvShR)
+This example aspires to verify the points listed in an internal "POC - AI with Splunk Apps" doc
 
 ## Pre-requirements