Revert "Enable Load Store Elimination for ARM and ARM64"

On extended testing, I'm seeing a CHECK failure at utility_arm.cc:1201.

This reverts commit fcc36ba2a2b8fd10e6eebd21ecb6329606443ded.

Change-Id: Icae3d49cd7c8fcab09f2f989cbcb1d7e5c6d137a
14 files changed