Remove explicit reference to OwlCore.Kubo, inherit transient reference from OwlCore.Nomad.Kubo

Author: Arlodotexe

src/WindowsAppCommunity.Sdk.csproj

@@ -57,8 +57,7 @@ Initial release of WindowsAppCommunity.Sdk.
 	<ItemGroup>
 		<PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.2" />
 		<PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
-		<PackageReference Include="OwlCore.Kubo" Version="0.20.1" />
-		<PackageReference Include="OwlCore.Nomad.Kubo" Version="0.16.0" />
+]		<PackageReference Include="OwlCore.Nomad.Kubo" Version="0.16.0" />
 		<PackageReference Include="PolySharp" Version="1.15.0">
 		  <PrivateAssets>all</PrivateAssets>
 		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>