ap_firmware_config/zork: Use futility

Lets use futility now that we have vboot enabled. This way the VPD
doesn't get wiped.

BUG=none
TEST=none

Change-Id: I6debfcdc6925de67506885b66e80d9253c64d39a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2358191
Tested-by: Raul E Rangel <rrangel@chromium.org>
Auto-Submit: Raul E Rangel <rrangel@chromium.org>
Reviewed-by: Rob Barnes <robbarnes@google.com>
Reviewed-by: David Burger <dburger@chromium.org>
Commit-Queue: David Burger <dburger@chromium.org>
diff --git a/lib/firmware/ap_firmware_config/zork.py b/lib/firmware/ap_firmware_config/zork.py
index 5c3836b..3edfcda 100644
--- a/lib/firmware/ap_firmware_config/zork.py
+++ b/lib/firmware/ap_firmware_config/zork.py
@@ -11,9 +11,6 @@
 
 BUILD_PACKAGES = BUILD_WORKON_PACKAGES + ('chromeos-bootimage',)
 
-# TODO: Remove this line once VBoot is working on Zork.
-DEPLOY_SERVO_FORCE_FLASHROM = True
-
 
 def get_commands(servo):
   """Get specific flash commands for Zork