Revert "Create prime_problems"

This reverts commit 58395b3f9bce66c87b5ffcb4834f9a91e15d3cea.
Revert "#"

This reverts commit 050fc4cb348fbf5f3e461984deccd87c8db06490.
Revert "Update lists.prolog"

This reverts commit 6daad9d0d389fb7246bd2a7bcc9726f67b69bb77.