Delete duplicate test files for JDK 1.6 compatibility.

JDK 1.6's jar utility fails with a "duplicate entry" error due to
identical test files in multiple locations. This change fixes the
build on JDK 1.6 by deleting the extra copies of the test files.

Change-Id: Iad27b9a345e7b455c1576989e948088fe00e1116
9 files changed