Revert "compiler_wrapper: enable -mharden-sls=all on aarch64"

This reverts commit fb8fd5be362ec7a52dc3be33859d31b0553c1038. Enabling
the option caused 4.4 based arm64 devices failed to boot. Disable this
option until the issue is fixed.

BUG=chromium:1096302
TEST=Verified locally.

Change-Id: I02d5a72423f3cf0097edff7ace85b23caf3ff554
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/2469305
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Tested-by: Jian Cai <jiancai@google.com>
4 files changed