Revert resources change

src/Compilers/CSharp/Test/Syntax/Resources.Designer.cs

 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:4.0.30319.42000
+//     Runtime Version:4.0.30319.18250
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.
 // </auto-generated>
 //------------------------------------------------------------------------------
 
+using System.Reflection;
+
 namespace Microsoft.CodeAnalysis.CSharp.UnitTests {
-    using System;
     
     
     /// <summary>
@@ -19,7 +20,7 @@ namespace Microsoft.CodeAnalysis.CSharp.UnitTests {
     // class via a tool like ResGen or Visual Studio.
     // To add or remove a member, edit your .ResX file then rerun ResGen
     // with the /str option, or rebuild your VS project.
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "15.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
     public class Resources {
@@ -39,7 +40,7 @@ public class Resources {
         public static global::System.Resources.ResourceManager ResourceManager {
             get {
                 if (object.ReferenceEquals(resourceMan, null)) {
-                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("Microsoft.CodeAnalysis.CSharp.UnitTests.Resources", typeof(Resources).Assembly);
+                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("Microsoft.CodeAnalysis.CSharp.UnitTests.Resources", typeof(Resources).GetTypeInfo().Assembly);
                     resourceMan = temp;
                 }
                 return resourceMan;