renames ApplicationTree to just Tree

src/Umbraco.Web/Trees/TreeCollectionBuilder.cs

@@ -4,15 +4,15 @@ using Umbraco.Core.Composing;
 namespace Umbraco.Web.Trees
 {
     //fixme - how will we allow users to modify these items? they will need to be able to change the ApplicationTree's registered (i.e. sort order, section)
-    public class TreeCollectionBuilder : CollectionBuilderBase<TreeCollectionBuilder, TreeCollection, ApplicationTree>
+    public class TreeCollectionBuilder : CollectionBuilderBase<TreeCollectionBuilder, TreeCollection, Tree>
     {
-        private readonly List<ApplicationTree> _instances = new List<ApplicationTree>();
+        private readonly List<Tree> _instances = new List<Tree>();
 
-        public void AddTree(ApplicationTree tree)
+        public void AddTree(Tree tree)
         {
             _instances.Add(tree);
         }
 
-        protected override IEnumerable<ApplicationTree> CreateItems(IFactory factory) => _instances;
+        protected override IEnumerable<Tree> CreateItems(IFactory factory) => _instances;
     }
 }