fix name

Author: diberry

articles/cognitive-services/LUIS/toc.yml

@@ -194,7 +194,7 @@
         href: luis-tutorial-list-entity.md
   - name: Integrate
     items:
-    - name: With Bing Spell Check v7 - 1
+    - name: With Bing Spell Check v7
       href: luis-tutorial-bing-spellcheck.md
     - name: With Speech service
       maintainContext: true