Removing extraneous code

The ExternalResource code was unnecessary and caused
issues on CentOS. Removing it.

Signed-off-by: Joe Buck <jbbuck@gmail.com>
Remove unneeded junit4 check

We refactored the java tests to not use
the ExternalResource class, so this test
is no longer necessary.

Signed-off-by: Joe Buck <jbbuck@gmail.com>