Drop empty rows from pokemon_form_names
Drop empty rows from pokemon_form_names

A missing name means the same thing as a blank name, so there's no point
keeping them around.

Totem Marowak has a Korean form name for some reason, and Kyogre and
Groudon have (autoeponymous) form names in every language _except_
Italian. But other than that there's nothing interesting.

veekun/pokedex,veekun/pokedex