build_kernel_image: drop 'nmi_watchdog=lapic'

The 'lapic' option was dropped a very very long time ago:

5f2b0ba4d94b x86, nmi_watchdog: Remove the old nmi_watchdog

The only valid args here are "panic", "nopanic", "0", and "1", so the
trailing ",lapic" text isn't doing anything.

BUG=b:172222678
TEST=platform_KernelErrorPaths.HARDLOCKUP

Change-Id: I82ec736344374ef5037915b07ce6fdc89d56ed5e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/2530315
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Brian Norris <briannorris@chromium.org>
Commit-Queue: Brian Norris <briannorris@chromium.org>
1 file changed