Revert "Perf doc draft"

Author: KumarVivek

powerapps-docs/maker/TOC.yml

@@ -1263,11 +1263,8 @@
     href: ./model-driven-apps/Accessibility-app-designer-site-map-designer-my-apps-page.md
   - name: Customize Dynamics 365 App for Outlook
     href: ./model-driven-apps/app-for-outlook-customize.md
-  - name: Performance tracking
-    href: ./model-driven-apps/performance-tracking.md
   - name: For developers
     href: ../developer/model-driven-apps/overview.md
-  
     # href: ../developer/model-driven-apps/TOC.yml For authoring I find having developer content buried so deep is awkward
 
 - name: Portals