Update toc.yml

Author: v-bhgad

articles/active-directory/saas-apps/toc.yml

@@ -888,8 +888,6 @@
         href: patentsquare-tutorial.md
       - name: Pavaso Digital Close
         href: pavaso-digital-close-tutorial.md
-      - name: peakon
-        href: peakon-tutorial.md
       - name: Pega Systems
         href: pegasystems-tutorial.md
       - name: People