[MAT-96] removed legacy code, maths is forked.
[MAT-96] removing refs to OG-Maths.
[MAT-96] removing refs to OG-Maths in eclipse launch.
Merge remote-tracking branch 'origin/fork_og_maths' into develop

Conflicts:
	eclipse/launch/OG-Maths all tests.launch
	eclipse/launch/OG-Maths unit tests.launch