add forgotten subscriber's attribute to ripcord test data

Change-Id: I0f0975caa48fb1fa194c74b7a131e3aa5473e715
get rid of stuff related to 'confirm_password'

'confirm_password' was a field which was removed during patch review,
but some stuff related to it was forgotten to be removed

Change-Id: Ic3985b8832353b4a2a2afada0a9217709b2d120a
Merge "get rid of stuff related to 'confirm_password'"
Add button for generating random password

Closes-Bug: #1277295

Change-Id: I062eeed0a33ce0627a091cfd566c474de10e950b