Revert to .NET 4.5.2 and xunit.runner.utility 2.1.0

Author: Pilchie

xunit.runner.data/xunit.runner.data.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <RootNamespace>Xunit.Runner.Data</RootNamespace>
-    <TargetFramework>netstandard20</TargetFramework>
+    <TargetFramework>net452</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
 </Project>

xunit.runner.worker/xunit.runner.worker.csproj

@@ -2,11 +2,11 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <RootNamespace>Xunit.Runner.Worker</RootNamespace>
-    <TargetFramework>net461</TargetFramework>
+    <TargetFramework>net452</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="xunit.runner.utility" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.utility" Version="2.1.0" />
     <ProjectReference Include="..\xunit.runner.data\xunit.runner.data.csproj" />
   </ItemGroup>
 </Project>