Remove HtmlParserVerify internals exposure

Delete the `InternalsVisibleTo` entry for `HtmlParserVerify` from `HtmlRenderer.csproj`, narrowing assembly internals access and keeping project metadata aligned with current test/verification setup.

Author: jhaygood86

Source/HtmlRenderer/HtmlRenderer.csproj

@@ -29,7 +29,4 @@ For existing implementations see: HtmlRenderer.WinForms, HtmlRenderer.WPF and Ht
 	<PackageReference Include="System.Resources.Extensions" Version="10.0.1" />
 	<PackageReference Include="HtmlKit" Version="1.2.0" />
   </ItemGroup>
-  <ItemGroup>
-    <InternalsVisibleTo Include="HtmlParserVerify" />
-  </ItemGroup>
 </Project>