Resolve "uncategorized" prebuilts for the runtime repo for 6.0 #2529
Description
The following "uncatergorized" prebuilts are coming from runtime. They can be seen in the repo's prebuilt-report. The project location of where these come from is unknown.
<Usage Id="Microsoft.Build.NoTargets" Version="3.1.0" />
<Usage Id="Microsoft.Build.Traversal" Version="3.0.23" />
<Usage Id="Microsoft.NET.Sdk.IL" Version="6.0.0-rc.1.21415.6" />
<Usage Id="Microsoft.NETFramework.ReferenceAssemblies.net48" Version="1.0.0" />