kunimitsu: remove fab 3 related changes
kunimitsu: remove fab 3 related changes

BUG=chrome-os-partner:44704
BRANCH=none
TEST=verified image can boot on kunimitsu fab 4

Change-Id: If5f48bdd5dee5998fec2c079ee46f34cb604fd38
Signed-off-by: Kevin K Wong <8bf1d1ccd36a6bfde85ceaaa1fe52f2093ecf3aa@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/314126
Reviewed-by: Shawn N <5259333ce42e3ace6a73988cec7115ed9d3a661a@chromium.org>

akappy7/ChromeOS_EC_LED_Diagnostics,akappy7/ChromeOS_EC_LED_Diagnostics,coreboot/chrome-ec,akappy7/ChromeOS_EC_LED_Diagnostics,coreboot/chrome-ec,coreboot/chrome-ec,akappy7/ChromeOS_EC_LED_Diagnostics,coreboot/chrome-ec,akappy7/ChromeOS_EC_LED_Diagnostics,coreboot/chrome-ec,coreboot/chrome-ec