Allow Wyrmic weapon talents to work without a MH weapon

Rantha was sad.  Weird unarmed adventurers were also sad.

game/modules/tome/data/talents/gifts/cold-drake.lua

@@ -32,7 +32,6 @@ newTalent{
 	direct_hit = true,
 	requires_target = true,
 	tactical = { ATTACKAREA = { COLD = 2 } },
-	on_pre_use = function(self, t, silent) if not self:hasMHWeapon() then if not silent then game.logPlayer(self, "You require a mainhand weapon to use this talent.") end return false end return true end,
 	is_melee = true,
 	on_learn = function(self, t)
 		self.combat_physresist = self.combat_physresist + 2

game/modules/tome/data/talents/gifts/fire-drake.lua

@@ -41,7 +41,6 @@ newTalent{
 	radius = function(self, t) return 3 end,
 	direct_hit = true,
 	tactical = { DEFEND = { knockback = 2 }, ESCAPE = { knockback = 2 } },
-	on_pre_use = function(self, t, silent) if not self:hasMHWeapon() then if not silent then game.logPlayer(self, "You require a mainhand weapon to use this talent.") end return false end return true end,
 	requires_target = true,
 	target = function(self, t)
 		return {type="cone", range=self:getTalentRange(t), radius=self:getTalentRadius(t), selffire=false, talent=t}

game/modules/tome/data/talents/gifts/higher-draconic.lua

@@ -28,7 +28,6 @@ newTalent{
 	range = 1,
 	is_melee = true,
 	tactical = { ATTACK = { PHYSICAL = 1, COLD = 1, FIRE = 1, LIGHTNING = 1, ACID = 1 } },
-	on_pre_use = function(self, t, silent) if not self:hasMHWeapon() then if not silent then game.logPlayer(self, "You require a mainhand weapon to use this talent.") end return false end return true end,
 	requires_target = true,
 	target = function(self, t) return {type="hit", range=self:getTalentRange(t)} end,
 	getWeaponDamage = function(self, t) return self:combatTalentWeaponDamage(t, 1.6, 2.3) end,

game/modules/tome/data/talents/gifts/sand-drake.lua

@@ -27,7 +27,6 @@ newTalent{
 	range = 1,
 	no_message = true,
 	tactical = { ATTACK = { weapon = 1 }, EQUILIBRIUM = 0.5},
-	on_pre_use = function(self, t, silent) if not self:hasMHWeapon() then if not silent then game.logPlayer(self, "You require a mainhand weapon to use this talent.") end return false end return true end,
 	requires_target = true,
 	no_npc_use = true,
 	is_melee = true,

game/modules/tome/data/talents/gifts/venom-drake.lua

@@ -142,7 +142,6 @@ newTalent{
 	range = 1,
 	is_melee = true,
 	tactical = { ATTACK = { ACID = 2 }, DISABLE = {blind = 1} },
-	on_pre_use = function(self, t, silent) if not self:hasMHWeapon() then if not silent then game.logPlayer(self, "You require a mainhand weapon to use this talent.") end return false end return true end,
 	requires_target = true,
 	target = function(self, t) return {type="hit", range=self:getTalentRange(t)} end,
 	on_learn = function(self, t) self.resists[DamageType.ACID] = (self.resists[DamageType.ACID] or 0) + 1 end,