{AzureStorageSync} fixes Azure#21100 Fix the example for Get-AzStorageSyncGroup cmdlet (Azure#21106)

fixes Azure#21100 

Fix the example for Get-AzStorageSyncGroup cmdlet

typo in 'example 1' includes unrelated cmdlet "New-AzStorageSyncCloudEndpoint"

Author: navba-MSFT

src/StorageSync/StorageSync/help/Get-AzStorageSyncGroup.md

@@ -37,7 +37,7 @@ This command lists all sync groups within a given storage sync service. It can b
 
 ### Example 1
 ```powershell
-Get-AzStorageSyncGroup New-AzStorageSyncCloudEndpoint -ResourceGroupName "myResourceGroup" -StorageSyncServiceName "myStorageSyncServiceName"
+Get-AzStorageSyncGroup -ResourceGroupName "myResourceGroup" -StorageSyncServiceName "myStorageSyncServiceName"
 ```
 
 This command gets all sync groups contained within the specified storage sync service. Specify -Name to return a specific one.