fix: Remove centralized auth policies, change path to remaining, update docs

General MR

Summary

Cleans up the Istio Authorization Policies

Linked Issue

• 2032
• 2081

Upgrade Notices

N/A

renovate.json

@@ -3,7 +3,6 @@
   "configWarningReuseIssue": false,
   "dependencyDashboard": "true",
   "dependencyDashboardAutoclose": "true",
-  "dependencyDashboardHeader": "- [ ] Sync upstream helm chart version with updated dependencies.",
   "dependencyDashboardTitle": "Renovate: Upgrade Fortify Package Dependencies",
   "draftPR": true,
   "enabledManagers": ["regex", "helmv3"],