refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -6,7 +6,7 @@
   <ItemGroup>
     <PackageVersion Include="EfLocalDb" Version="22.0.0" />
     <PackageVersion Include="LocalDb" Version="22.0.0" />
-    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.7" />
+    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.8" />
     <PackageVersion Include="Microsoft.Data.SqlClient" Version="6.1.3" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore" Version="10.0.0" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore.Relational" Version="10.0.0" />