moved Event grid doc out of enterprise readiness

Author: shivp950

articles/machine-learning/toc.yml

@@ -124,8 +124,8 @@
         href: how-to-setup-authentication.md
       - name: Monitor Azure Machine Learning
         href: monitor-azure-machine-learning.md
-      - name: Event grid integration
-        href: concept-event-grid-integration.md
+  - name: Event grid integration
+    href: concept-event-grid-integration.md
   - name: Deep learning
     displayName: deep learning vs machine learning, deep learning, vs, versus
     href: concept-deep-learning-vs-machine-learning.md