Delete VtsKernelLibIonTest

The test cannot pass on several devices due to hardcoded ION
heap IDs which are different from the ion UAPI header. Since there
are no existing requirements on heap IDs, remove this test from

Test: make vts
Bug: 156707763
This reverts commit 75f6fd01c1c33528d3c12d08e52f6f033647057a.

Merged-In: Ie12f3786d5ad997b5878cdcb1619cf05d6210c31
Change-Id: Ie12f3786d5ad997b5878cdcb1619cf05d6210c31
2 files changed