Works around warning where a P2P reference is explicitly listed in the project. For e.g.
warn : SampleApp (>= 1.1.0) -> Microsoft.AspNetCore.Server.Kestrel.Https (>= 1.2.0) -> Microsoft.AspNetCore.Server.Kestrel
warn : SampleApp (>= 1.1.0) -> Microsoft.AspNetCore.Server.Kestrel (>= 1.2.0)
