remove obsolete nuget source; fixup sourcebuild metadata

Author: oleksandr-didyk

NuGet.config

@@ -6,8 +6,7 @@
     <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" />
     <add key="dotnet-tools" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json" />
     <add key="dotnet8" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet8/nuget/v3/index.json" />
-    <add key="dotnet8-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet8-transport/nuget/v3/index.json" />
-    <!-- Feeds for source-build intermediates -->
+    <!-- Feeds for source-build command-line-api intermediate -->
     <add key="dotnet-libraries-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-libraries-transport/nuget/v3/index.json" />
   </packageSources>
   <disabledPackageSources>

eng/Version.Details.xml

@@ -4,7 +4,6 @@
     <Dependency Name="System.CommandLine" Version="2.0.0-beta4.22272.1">
       <Uri>https://github.com/dotnet/command-line-api</Uri>
       <Sha>209b724a3c843253d3071e8348c353b297b0b8b5</Sha>
-      <SourceBuild RepoName="command-line-api" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="System.CommandLine.NamingConventionBinder" Version="2.0.0-beta4.22272.1">
       <Uri>https://github.com/dotnet/command-line-api</Uri>
@@ -17,6 +16,7 @@
     <Dependency Name="Microsoft.SourceBuild.Intermediate.command-line-api" Version="0.1.327201">
       <Uri>https://github.com/dotnet/command-line-api</Uri>
       <Sha>209b724a3c843253d3071e8348c353b297b0b8b5</Sha>
+      <SourceBuild RepoName="command-line-api" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.23253.2">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>