Remove the JUnit unit tests and related Ant targets.

matthew_swift

21.39.2006 1f348a4c7e12b6e196311463ebb47b5aa941e0dc

opends/tests/unit-tests/src/server/org/opends/server/TestCaseUtils.java does not exist in tree b3649d94c5935ce37fc4ed3f74adbc0d73126c1e