Remove deprecated constructs std::unary_function and std::binary_function

[Former user]

As of C++11 the std::unary_function and std::binary_function constructs were deprecated. As of C++17, they have been removed.

They only occur in moab/Interface.hpp to define type_equals and type_not_equals.

There are tips on the web for circumventing this, e.g. here

This will prevent compilation in C++17 and newer standards.

[Paul Wilson]

Replaced by #144 - wasn’t logged in when I created this

[Paul Wilson]

Closed by duplicate #144 with attribution