update toc

Author: mrbullwinkle

articles/cognitive-services/Anomaly-Detector/toc.yml

@@ -19,14 +19,10 @@
       href: ./quickstarts/client-libraries-multivariate.md
 - name: Samples
   items:
-    - name: Demo web application (univariate & multivariate)
+    - name: Interactive demo
       href: https://aka.ms/adDemo
-    - name: Jupyter Notebook
+    - name: GitHub samples
       href: https://github.com/Azure-Samples/AnomalyDetector/tree/master/ipython-notebook
-    - name: Azure samples (univariate)
-      href: https://github.com/Azure-Samples/AnomalyDetector/tree/master/samples-univariate
-    - name: Azure samples (multivariate)
-      href: https://github.com/Azure-Samples/AnomalyDetector/tree/master/samples-multivariate
 - name: How-to guides
   items:
     - name: Univariate Anomaly Detection