abseil-cpp

Remove the polyfill implementations for many type traits and alias

ROLLBACK: Limit slot_size to 2^16-1 and maximum table size to 2^43-1.

Limit `slot_size` to `2^16-1` and maximum table size to `2^43-1`.

Use C++17 [[nodiscard]] instead of the deprecated ABSL_MUST_USE_RESULT

Remove the polyfills for absl::apply and absl::make_from_tuple,