The bulk update request #10684 has been approved by @evazion.
create alias light_blue_eyes -> blue_eyes
create alias light_brown_eyes -> brown_eyes
create alias light_purple_eyes -> purple_eyes
remove alias light_blue_eyes -> blue_eyes
remove alias light_brown_eyes -> brown_eyes
remove alias light_purple_eyes -> purple_eyes
We don't need this level of granularity.