I'm pretty sure it got removed along with the requirement to build and wire a steel conduit system.
The New AM2 exam - complete guide to the new AM2 exam - http://www.newam2.co.uk/Changes-To-The-AM2.html
Apologies you are correct, it was taken out the am2 although they may be brining back for the new 5357. But it is still part of the 2357 and the new 5357 apprenticeships. 5 hour and 10 hour practical assessments respectively.