Scope: Remove code from CMake for Boost and MNMLSTC. Update documentation accordingly.
(If applicable) Remove polyfill part of ABI tag added in CXX-2803
Motivation: CXX-2625 removed the Boost and MNMLSTC polyfills.
Scope: Remove code from CMake for Boost and MNMLSTC. Update documentation accordingly.
(If applicable) Remove polyfill part of ABI tag added in CXX-2803
Motivation: CXX-2625 removed the Boost and MNMLSTC polyfills.