Fix some strings in the Spanish localization

While in English "compass" can be used both for a navigation aid and a drawing tool, "compás" in Spanish is used only for the later. "Brújula" is the correct translation for the former.

"Sulfuro" is a word more commonly used in chemistry for compounds. Through it's correct, in real-life people tend to use more "azufre", which is the name for the atomic element.

"Trampa" isn't a correct translation for "trapper". "Trampa" means "trap". A people which place and use traps is "trampero".