Merge pull request Azure#562 from Azure/dev

huangpf PR: dev <- Azure:dev

Author: huangpf

src/ResourceManager/ApiManagement/Commands.ApiManagement/Commands/NewAzureApiManagement.cs

@@ -37,9 +37,6 @@ public class NewAzureApiManagement : AzureApiManagementCmdletBase
             Mandatory = true,
             HelpMessage = "Location where want to create API Management.")]
         [ValidateNotNullOrEmpty]
-        [ValidateSet("North Central US", "South Central US", "Central US", "West Europe", "North Europe", "West US", "East US",
-            "East US 2", "Japan East", "Japan West", "Brazil South", "Southeast Asia", "East Asia", "Australia East",
-            "Australia Southeast", IgnoreCase = false)]
         public string Location { get; set; }
 
         [Parameter(