pre-commit: auto remove unneeded trailing whitespace from Makefiles (#378)

Cleaned up some whitespace in the Makefiles

Port the main/test module to gbuild and Ant. Also make it use Google Test instead of cppunit,
and delete the unoexceptionprotector library which was cppunit-specific and completely unused.

Patch by:

Port the main/test module to gbuild and Ant. Also make it use Google Test instead of cppunit,
and delete the unoexceptionprotector library which was cppunit-specific and completely unused.

Patch by: me

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