remove single H2 heading

Author: GitHubber17

articles/cognitive-services/Content-Moderator/api-reference.md

@@ -20,9 +20,7 @@ You can get started with Azure Content Moderator APIs by doing the following:
 
 - In the Azure portal, [subscribe to the Content Moderator API](https://ms.portal.azure.com/#create/Microsoft.CognitiveServicesContentModerator).
 
-## Moderation APIs
-
-You can use the following Content Moderator APIs to set up your post-moderation workflows.
+You can use the following **Content Moderator APIs** to set up your post-moderation workflows.
 
 | Description | Reference |
 | -------------------- |-------------|