refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -15,7 +15,6 @@
     <PackageVersion Include="Verify.XunitV3" Version="31.19.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.174" />
     <PackageVersion Include="xunit.v3" Version="3.2.2" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.5" />
     <PackageVersion Include="Argon" Version="0.34.0" />
     <PackageVersion Include="DiffEngine" Version="19.2.0" />

src/Tests/Tests.csproj

@@ -7,7 +7,6 @@
   <ItemGroup>
     <PackageReference Include="MarkdownSnippets.MsBuild" PrivateAssets="all" />
     <PackageReference Include="xunit.v3" />
-    <PackageReference Include="xunit.runner.visualstudio" PrivateAssets="all" />
     <PackageReference Include="Verify.XunitV3" />
     <PackageReference Include="OpenTelemetry" />
     <PackageReference Include="OpenTelemetry.Exporter.InMemory" />