Simplify SharpTreeView project file

SharpTreeView/ICSharpCode.TreeView.csproj

@@ -1,16 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project Sdk="MSBuild.Sdk.Extras">
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
 
   <PropertyGroup>
     <TargetFrameworks>net472;net5.0-windows</TargetFrameworks>
-
-    <GenerateAssemblyInfo>False</GenerateAssemblyInfo>
-
-    <EnableDefaultItems>false</EnableDefaultItems>
     <UseWpf>true</UseWpf>
-    <ExtrasEnableDefaultPageItems>false</ExtrasEnableDefaultPageItems>
-    <ExtrasEnableDefaultResourceItems>false</ExtrasEnableDefaultResourceItems>
-
+    <GenerateAssemblyInfo>False</GenerateAssemblyInfo>
     <SignAssembly>True</SignAssembly>
     <AssemblyOriginatorKeyFile>..\ICSharpCode.Decompiler\ICSharpCode.Decompiler.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
@@ -25,43 +19,4 @@
     <DebugSymbols>true</DebugSymbols>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Reference Include="PresentationCore" />
-    <Reference Include="PresentationFramework" />
-    <Reference Include="System.Xaml" />
-    <Reference Include="UIAutomationProvider" />
-    <Reference Include="UIAutomationTypes" />
-    <Reference Include="WindowsBase" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <Page Include="Themes\Generic.xaml">
-      <Generator>MSBuild:Compile</Generator>
-      <SubType>Designer</SubType>
-    </Page>
-  </ItemGroup>
-
-  <ItemGroup>
-    <Compile Include="Converters.cs" />
-    <Compile Include="EditTextBox.cs" />
-    <Compile Include="ExtensionMethods.cs" />
-    <Compile Include="GeneralAdorner.cs" />
-    <Compile Include="InsertMarker.cs" />
-    <Compile Include="LinesRenderer.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="Properties\GlobalAssemblyInfo.cs" />
-    <Compile Include="FlatListTreeNode.cs" />
-    <Compile Include="SharpGridView.cs" />
-    <Compile Include="SharpTreeNode.cs" />
-    <Compile Include="SharpTreeNodeCollection.cs" />
-    <Compile Include="SharpTreeNodeView.cs" />
-    <Compile Include="SharpTreeView.cs" />
-    <Compile Include="SharpTreeViewAutomationPeer.cs" />
-    <Compile Include="SharpTreeViewItem.cs" />
-    <Compile Include="SharpTreeViewTextSearch.cs" />
-    <Compile Include="SharpTreeViewItemAutomationPeer.cs" />
-    <Compile Include="TreeFlattener.cs" />
-    <Compile Include="TreeTraversal.cs" />
-  </ItemGroup>
-
 </Project>