remove implication portal_2 -> portal
create implication portal -> portal_(series)
create implication portal_2 -> portal_(series)
Currently, Portal doubles as a series tag and a tag for the first game. This BUR should fix that issue by creating a series tag and having both games imply it.
EDIT: This bulk update request is pending automatic rejection in 5 days.
EDIT: This bulk update request has been rejected because it was not approved within 60 days.
EDIT: The bulk update request #1779 (forum #149799) has been rejected by @DanbooruBot.
Updated by DanbooruBot