Remove mapping of arbitrary lengths to l/w/h.
Remove mapping of arbitrary lengths to l/w/h.

 - No need
 - Unknown which is which anyway

Mark-Simulacrum/advent-of-code-2015,Mark-Simulacrum/advent-of-code-2015,Mark-Simulacrum/advent-of-code-2015,Mark-Simulacrum/advent-of-code-2015