Manually Remove the Dependency DLL

https://stackoverflow.com/questions/34147484/unable-to-restore-remove-update-a-nuget-package-because-the-mentioned-versio
https://www.nuget.org/packages/Microsoft.CodeDom.Providers.DotNetCompilerPlatform

Install-Package Microsoft.CodeDom.Providers.DotNetCompilerPlatform -Version 2.0.1

You can manually remove the dependency by:

1. Close Visual Studio (not a hard requirement, but helpful)
2. In text editor, remove dependency from packages.config
3. Remove package from packages/ directory
4. In text editor, remove all references to package from .csproj file
5. Start Visual Studio
6. Reinstall package through NuGet