After vts-core is renamed to vts, the CTS tests won't be needed in vts suite. Bug: 151896491 Test: local build Exempt-From-Owner-Approval: This CL removes all CTS tests in vts suite, as vts is renamed to vts10. This CL won't change test logic or behavior. Change-Id: Idc9e9cc1d1080ff689823671a736bbb78bd7a740