Rename DataDog to Datadog (Azure#15295)

* Delete DataDog

* Add Az.Datadog

* Suppress error

Author: BethanyZhou

documentation/azure-powershell-modules.md

@@ -42,7 +42,7 @@ Custom Resource Providers             | `Az.CustomProviders`
 Data Box                              | `Az.DataBox`                            | [![DataBox]][DataBoxGallery]
 Data Box Edge (Stack Edge)            | `Az.DataBoxEdge`                        | [![DataBoxEdge]][DataBoxEdgeGallery]
 Databricks                            | `Az.Databricks`                         | [![Databricks]][DatabricksGallery]
-DataDog                               | `Az.DataDog`                            | [![DataDog]][DataDogGallery]
+Datadog                               | `Az.Datadog`                            | [![Datadog]][DatadogGallery]
 Data Factory                          | `Az.DataFactory`                        | [![DataFactory]][DataFactoryGallery]
 Data Lake Analytics                   | `Az.DataLakeAnalytics`                  | [![DataLakeAnalytics]][DataLakeAnalyticsGallery]
 Data Lake Store                       | `Az.DataLakeStore`                      | [![DataLakeStore]][DataLakeStoreGallery]

src/DataDog/examples/Get-AzDataDogSingleSignOnConfiguration.md

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <PsModuleName>DataDog</PsModuleName>
+    <PsModuleName>Datadog</PsModuleName>
   </PropertyGroup>
 
   <Import Project="$(MSBuildThisFileDirectory)..\Az.autorest.props" />