Remove newtonsift loading

Author: markcowl

src/ResourceManager/Profile/Commands.Profile/Az.Profile.psd1

@@ -76,7 +76,6 @@ RequiredAssemblies = '.\Microsoft.Azure.PowerShell.Authentication.Abstractions.d
     '.\Microsoft.Rest.ClientRuntime.Azure.dll', 
     '.\Microsoft.Rest.ClientRuntime.Azure.Authentication.dll', 
     '.\Microsoft.WindowsAzure.Storage.dll', 
-    '.\Newtonsoft.Json.dll', 
     '.\Microsoft.Azure.PowerShell.Aks.dll', 
     '.\Microsoft.Azure.PowerShell.Strategies.dll'