Remove System.Text.Encodings.Web

Remove explicit reference for System.Text.Encodings.Web.

Author: martincostello

tests/TodoApp.Tests/TodoApp.Tests.csproj

@@ -18,7 +18,6 @@
     <PackageReference Include="Microsoft.Playwright" Version="1.52.0" />
     <PackageReference Include="ReportGenerator" Version="5.4.7" />
     <PackageReference Include="Shouldly" Version="4.3.0" />
-    <PackageReference Include="System.Text.Encodings.Web" Version="9.0.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.0" />
     <PackageReference Include="xunit.v3" Version="2.0.2" />
   </ItemGroup>