arm: Get rid of some unused instruction templates.

These were defined but not used.

Change-Id: Ib81e86c8b8640e2f47ff7ad84d287367462e04a5
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/36975
Reviewed-by: Gabe Black <gabe.black@gmail.com>
Maintainer: Gabe Black <gabe.black@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2 files changed