Revert "Call target method in accessor MHs when it is set."

Revert submission 3382609-target-accessors

Reason for revert: x86.poison.64 failures on LUCI  

Reverted changes: /q/submissionid:3382609-target-accessors

Change-Id: I384945809bc18ac4dfc937af088c7dbe30ac5c5c
7 files changed