Remove more Quick-related macros in tests.

Remove these macros, as Quick is gone:
- TEST_DISABLED_FOR_HEAP_REFERENCE_POISONING_WITH_QUICK
- TEST_DISABLED_FOR_READ_BARRIER_WITH_QUICK

Also remove TEST_DISABLED_FOR_NON_PIC_COMPILING_WITH_OPTIMIZING,
as it is no longer used anywhere.

Change-Id: I78617fc060b7727f9b6fffcb2348d6fca01b4928