JarFile: remove tests for chainCheck hidden API, part 2

The hidden API was reverted since the fix is now in
PackageManagerService.

This was PS#2 of the original change, but didn't get uploaded.

Bug: 13678484
Change-Id: Ic488ec5cd7c0d1bf6fb2d7aba16deaee8b6f98a5
1 file changed