Remove 'vso.profile' from the default Visual Studio Online provider scopes

Automatically adding vso.profile as a scope will cause any VSTS applications to return error=InvalidScope if the vso.profile scope was implicit instead of explicit.

Author: pwiens

src/AspNet.Security.OAuth.VisualStudio/VisualStudioAuthenticationOptions.cs

@@ -25,8 +25,6 @@ public VisualStudioAuthenticationOptions()
             AuthorizationEndpoint = VisualStudioAuthenticationDefaults.AuthorizationEndpoint;
             TokenEndpoint = VisualStudioAuthenticationDefaults.TokenEndpoint;
             UserInformationEndpoint = VisualStudioAuthenticationDefaults.UserInformationEndpoint;
-
-            Scope.Add("vso.profile");
         }
     }
-}
+}