Removed unused interface IMetadataReferenceProvider

src/Microsoft.AspNet.Mvc.Razor/Services/IApplicationEnvironment.cs

@@ -1,4 +1,5 @@
-using System.Runtime.Versioning;
+using System;
+using System.Runtime.Versioning;
 
 namespace Microsoft.Net.Runtime
 {
@@ -10,4 +11,7 @@ namespace Microsoft.Net.Runtime
         string ApplicationBasePath { get; }
         FrameworkName TargetFramework { get; }
     }
+
+    [AssemblyNeutral]
+    public class AssemblyNeutralAttribute : Attribute { }
 }

src/Microsoft.AspNet.Mvc.Razor/Services/IMetadataReferenceProvider.cs

@@ -1,16 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Runtime.Versioning;
-
-namespace Microsoft.Net.Runtime
-{
-    [AssemblyNeutral]
-    public interface IMetadataReferenceProvider
-    {
-        // REVIEW: This is object because we don't have a reference to roslyn in this assembly
-        IEnumerable<object> GetReferences(string name, FrameworkName targetFramework);
-    }
-
-    [AssemblyNeutral]
-    public class AssemblyNeutralAttribute : Attribute { }
-}