Remove WPF workarounds for bugs fixed years ago

Author: AArnott

Directory.Build.props

@@ -55,23 +55,4 @@
       <PackageReleaseNotes Condition="'$(PackageProjectUrl)'!=''">$(PackageProjectUrl)/releases/tag/v$(Version)</PackageReleaseNotes>
     </PropertyGroup>
   </Target>
-
-  <PropertyGroup Condition="'$(IsWpfTempProject)' == ''">
-    <IsWpfTempProject>false</IsWpfTempProject>
-    <IsWpfTempProject Condition="$(MSBuildProjectName.EndsWith('_wpftmp'))">true</IsWpfTempProject>
-  </PropertyGroup>
-
-  <!--
-    Inspired by https://github.com/dotnet/arcade/blob/cbfa29d4e859622ada3d226f90f103f659665d31/src/Microsoft.DotNet.Arcade.Sdk/tools/Workarounds.props#L14-L31
-
-    Disable Source Link and Xliff in WPF temp projects to avoid generating non-deterministic file names to obj dir.
-    The project name is non-deterministic and is included in the Source Link json file name and xlf directory names.
-    It's also not necessary to generate these assets.
-  -->
-  <PropertyGroup Condition="'$(IsWpfTempProject)' == 'true'">
-    <EnableSourceLink>false</EnableSourceLink>
-    <EmbedUntrackedSources>false</EmbedUntrackedSources>
-    <DeterministicSourcePaths>false</DeterministicSourcePaths>
-    <EnableXlfLocalization>false</EnableXlfLocalization>
-  </PropertyGroup>
 </Project>

Directory.Build.targets

@@ -1,10 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
-  <PropertyGroup>
-    <!-- Workaround https://github.com/dotnet/wpf/issues/1718 -->
-    <EmbedUntrackedSources Condition=" '$(UseWPF)' == 'true' ">false</EmbedUntrackedSources>
-  </PropertyGroup>
-
   <ItemGroup>
     <!-- Avoid compile error about missing namespace when combining ImplicitUsings with .NET Framework target frameworks. -->
     <Using Remove="System.Net.Http" Condition="'$(TargetFrameworkIdentifier)'=='.NETFramework'" />