Microsoft.CodeAnalysis.Elfie missing in source-build 11.0 Preview 1

### Describe the Bug

When comparing a source-build SDK with a MIcrosoft build SDK, source-build SDKs are missing Microsoft.CodeAnalysis.Elfie.dll in dotnet-format and dotnet-watch:

```
@ -1592,6 +1038,7 @@
sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-format/Microsoft.CodeAnalysis.CSharp.Features.dll
sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-format/Microsoft.CodeAnalysis.CSharp.Workspaces.dll
sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-format/Microsoft.CodeAnalysis.dll
+sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-format/Microsoft.CodeAnalysis.Elfie.dll
sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-format/Microsoft.CodeAnalysis.ExternalAccess.RazorCompiler.dll
sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-format/Microsoft.CodeAnalysis.Features.dll
sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-format/Microsoft.CodeAnalysis.Scripting.dll
@@ -1913,6 +1360,7 @@
sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-watch/11.0.100-preview.1.26104.118/tools/net11.0/any/Microsoft.Build.Locator.dll
sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-watch/11.0.100-preview.1.26104.118/tools/net11.0/any/Microsoft.CodeAnalysis.CSharp.Features.dll
sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-watch/11.0.100-preview.1.26104.118/tools/net11.0/any/Microsoft.CodeAnalysis.CSharp.Workspaces.dll
+sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-watch/11.0.100-preview.1.26104.118/tools/net11.0/any/Microsoft.CodeAnalysis.Elfie.dll
sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-watch/11.0.100-preview.1.26104.118/tools/net11.0/any/Microsoft.CodeAnalysis.ExternalAccess.HotReload.dll
sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-watch/11.0.100-preview.1.26104.118/tools/net11.0/any/Microsoft.CodeAnalysis.ExternalAccess.RazorCompiler.dll
sdk/11.0.100-preview.1.26104.118/DotnetTools/dotnet-watch/11.0.100-preview.1.26104.118/tools/net11.0/any/Microsoft.CodeAnalysis.Features.dll
```

### Steps to Reproduce

### Other Information

https://github.com/dotnet/dotnet/blob/18089f4b324825f5720bd722d24d6a8847f8b5d9/test/Microsoft.DotNet.SourceBuild.Tests/assets/SdkContentTests/SdkFileDiffExclusions.txt#L62-L64

```
# Exclude format and watch tools due to too much noise
./sdk/x.y.z/DotnetTools/dotnet-format/
./sdk/x.y.z/DotnetTools/dotnet-watch/
```

This seems a bit out of date now. Can this be removed/narrowed-down ?