Remove rogue using

HaoK · HaoK · commit b79589354294 · 2017-06-05T14:04:33.000-07:00
diff --git a/src/Microsoft.AspNetCore.Authentication.Google/GoogleAppBuilderExtensions.cs b/src/Microsoft.AspNetCore.Authentication.Google/GoogleAppBuilderExtensions.cs
@@ -3,7 +3,6 @@
 
 using System;
 using Microsoft.AspNetCore.Authentication.Google;
-using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 
