Use re-extracted dotnet-frameworks
Use re-extracted dotnet-frameworks

- that aren't bundled with multiple versions

[#144807179]

cloudfoundry-community/asp.net5-buildpack,degrim/dotnet-core-buildpack,degrim/dotnet-core-buildpack,degrim/dotnet-core-buildpack,degrim/dotnet-core-buildpack,degrim/dotnet-core-buildpack,degrim/asp.net5-buildpack