Imply buses

BUR #23559 has been approved by @nonamethanks.

create implication school_bus -> bus
create implication double-decker_bus -> bus

Bus types.

Some concerns with the trolleybus tag, since it appears that 3 of the 6 posts should belong under streetcar instead.

This bulk update request is pending automatic rejection in 5 days.

This bulk update request has been rejected because it was not approved within 45 days.

The bulk update request #23559 (forum #269669) has been rejected by @DanbooruBot.

Removed trolleybus.

The bulk update request #23559 (forum #269669) has been approved by @nonamethanks.