[llvm] [mlir] Reland "mlir/Presburger/MPInt: move into llvm/ADT" (PR #95254)

[Nikita Popov via llvm-commits]

https://github.com/nikic approved this pull request.

LGTM, assuming the removal of the LLVM_ENABLE_DUMP guard is the only substantive change.

https://github.com/llvm/llvm-project/pull/95254