APICompat failures on Linux

APICompat is causing failures in PRs that don't change library code on Linux.

```
/__w/1/s/src/libraries/shims/ApiCompat.proj(116,5): error : CannotRemoveAttribute : Attribute 'System.ComponentModel.TypeConverterAttribute' exists on 'System.ComponentModel.MarshalByValueComponent' in the contract but not the implementation.
```

Example: https://github.com/dotnet/runtime/pull/40404
