First round of dead file removal

experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/Automation/OAReferenceFolderItem.cs

-/// Copyright (c) Microsoft Corporation.  All rights reserved.
-
-using System;
-using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
-using System.Runtime.InteropServices;
-
-namespace Microsoft.VisualStudio.Project.Automation
-{
-        /// <summary>
-        /// Contains OAReferenceItem objects 
-        /// </summary>
-        [SuppressMessage("Microsoft.Interoperability", "CA1405:ComVisibleTypeBaseTypesShouldBeComVisible")]
-        [ComVisible(true), CLSCompliant(false)]
-        public class OAReferenceFolderItem : OAProjectItem<ReferenceContainerNode>
-        {
-                #region ctors
-                public OAReferenceFolderItem(OAProject project, ReferenceContainerNode node)
-                        : base(project, node)
-                {
-                }
-
-                #endregion
-
-                #region overridden methods
-                /// <summary>
-                /// Returns the project items collection of all the references defined for this project.
-                /// </summary>
-                public override EnvDTE.ProjectItems ProjectItems
-                {
-                        get
-                        {
-                                return new OANavigableProjectItems(this.Project, this.GetListOfProjectItems(), this.Node);
-                        }
-                }
-
-
-                #endregion
-
-                #region Helper methods
-                private List<EnvDTE.ProjectItem> GetListOfProjectItems()
-                {
-                        List<EnvDTE.ProjectItem> list = new List<EnvDTE.ProjectItem>();
-                        for(HierarchyNode child = this.Node.FirstChild; child != null; child = child.NextSibling)
-                        {
-                                ReferenceNode node = child as ReferenceNode;
-
-                                if(node != null)
-                                {
-                                        list.Add(new OAReferenceItem(this.Project, node));
-                                }
-                        }
-
-                        return list;
-                }
-                #endregion
-        }
-}