Propose the merge of static, tiny and base stacks and builders

[loewenstein-sap]

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[dmikusa]

I like it. The simplification it proposes is good. I like that is can represent a reduction in work/effort as well. I posted some initial thoughts/questions to get this conversation going.

[anthonydahanne]

Since specific language builders are explicitly not threatened by this RFC, and for the sake of simplification, fine by me!

[loewenstein-sap]

After ff8bafd, there doesn't seem to be too many things open here, so I would hope we can soon call for a final commenting period. WDYT @paketo-buildpacks/steering-committee?

@robdimsdale Are you still active in the @paketo-buildpacks/builders-maintainers team? Would be great if you could chime in and comment.

[mhdawson]

I think this is a good idea, and I'm ok with starting where the default image is the large one/covers all cases one.

I think the automation that @pacostas has done for the ubi stack should make it relatively easy to implement as well.

LGTM