Removed features/Hermetism Master

The Hermetism Master was a Skill Master NPC that spawned in the Haven. It was added in 2.4, although Hermetism itself was never implemented. Like the other skill masters, it sold its artistry armor, Hermetism Armor, for one Lunaver Coin per piece.

Hermetism, and thus the Hermetism Master, were scrapped in 3.0. Whether or not the Hermetism Master was removed prior to that is unknown.