Removed the FakeHttpContext for .Net Core

HttpContextBase has been removed from .Net Core. creating a fake on HttpContext is complex, so I, for now, remove the Fake context alltogether.

Author: Gimly

src/FluentAssertions.Mvc.Shared/Fakes/FakeHttpContext.cs

@@ -1,4 +1,5 @@
-using System;
+#if !NETSTANDARD1_6
+using System;
 using System.Web;
 
 namespace FluentAssertions.Mvc.Fakes
@@ -126,3 +127,4 @@ public override void EndOfRequest()
 
 
 }
+#endif

src/FluentAssertions.Mvc.Shared/Fakes/FakeHttpRequest.cs

@@ -1,4 +1,5 @@
-using System.Web;
+#if !NETSTANDARD1_6
+using System.Web;
 using System.Collections.Specialized;
 
 namespace FluentAssertions.Mvc.Fakes
@@ -58,3 +59,4 @@ public override NameValueCollection ServerVariables
         }
     }
 }
+#endif

src/FluentAssertions.Mvc.Shared/Fakes/FakeHttpResponse.cs

@@ -1,4 +1,5 @@
-using System.Web;
+#if !NETSTANDARD1_6
+using System.Web;
 
 namespace FluentAssertions.Mvc.Fakes
 {
@@ -10,3 +11,4 @@ public override string ApplyAppPathModifier(string virtualPath)
         }
     }
 }
+#endif