custom-unlispify-remove-prefixes

custom-unlispify-remove-prefixes is a variable defined in `cus-edit.el'.
Its value is

nil

Documentation:
Non-nil means remove group prefixes from option names in buffer.
Discarding prefixes often leads to confusing names for options
and faces in Customize buffers, so do not set this to a non-nil
value unless you are sure you know what it does.

You can customize this variable.