Revise Shard of Insanity

Inner Demons is a class defining talent, we should not be giving it to everyone that can raise mindpower.

- Replace Inner Demon active with a Sunder Mind proc

@@ -4733,10 +4733,9 @@ newEntity{ base = "BASE_AMULET", --Thanks Grayswandir!
 		melee_project={[DamageType.RANDOM_CONFUSION] = 5},
 	},
 	max_power = 30, power_regen = 1,
-	use_talent = { id = Talents.T_INNER_DEMONS, level = 4, power = 30 },
+	talent_on_mind = { {chance=8, talent=Talents.T_SUNDER_MIND, level=1} },
 }
 
-
 newEntity{ base = "BASE_SHOT", --Thanks Grayswandir!
 	power_source = {psionic=true},
 	unique = true,