It is still running, and appears on the 411 timetable. Just go to the Merseytravel site and enter the route number, then you get a pdf of the timetable.
During the day, an Arriva 411 departs New Brighton at 10 and 40 mins past the hour until 1810.
At 1840 an hourly service is provided by A2B travel, as route 101, using white mini-busses. The last bus leaves New Brighton at 2240. There is a slight variation in the route around the Birkenhead Park area with A2B.
The last bus from Woodside is 2207.