Lots of our internal engine code is gates on the OPENSSL_NO_ENGINE macro. The easiest low hanging fruit here is to remove the code guarded by this macro

This will also trigger several test failures that rely on engine code being present, those should also be cleaned up in this PR

This will also remove a few deprecated functions, which will need to be adjusted in our ordinals map, those will need to be removed

Lastly, this will require documentation cleanup so that doc-nits pass