[MTE] simplify test, all U+ arm64 kernels support TBI
This has been a source of flakiness and is not needed anymore
Bug: 328155924
Test: atest CtsTaggingHostTestCases on
* cf_x86
* arm64 device without MTE
* arm64 device with MTE
Change-Id: Ibc59c9bcb3f806a167151f812154e076c9d4d8cf