Do not remove old dotnet versions.
Do not remove old dotnet versions.

We don't understand the versioning well enough to automate this correctly.

[#156556608]

Signed-off-by: Andrew Meyer <8f92422f5861fc9f31873f75dd770facd670512b@pivotal.io>

cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci