Korthia's Archive Relics are treated as account-wide, should be per-character

[rowaasr13]

Korthia's Relics are obtained by non-repeatable one-time quest. They provide good research reward and relics appear per-character visually in archive itself. IMO because of this they should be tracked per-character.

Right now they are removed for every character from map when "remove collected" option is turned on as soon as you obtain relic on any of characters, because parent class (Treasure)'s :IsCollected reports true as relics have account-wide achievement listed as "reward". I assume it worked before when this achievement wasn't account-wide.

This simple fix gives Relic class its own :IsCollected that always returns false, making HN logic to remove pin when node :IsCompleted instead.