Change Sudden Growth to use a standard scaling pattern (nerf)

Theres a lot of life regen around now, its too easy to get crazy numbers on this.

game/modules/tome/data/talents/gifts/fungus.lua

@@ -114,7 +114,7 @@ newTalent{
 	equilibrium = 22,
 	cooldown = 15,
 	tactical = { HEAL = function(self, t, target) return self.life_regen > 0 and math.log(self.life_regen + 1)/2 or nil end },
-	getMult = function(self, t) return util.bound(3 + self:getTalentLevel(t), 3, 12) end,
+	getMult = function(self, t) return self:combatTalentScale(t, 2, 5) end,
 	action = function(self, t)
 		local amt = self:mindCrit(self.life_regen * t.getMult(self, t))
 
@@ -128,6 +128,6 @@ newTalent{
 	info = function(self, t)
 		local mult = t.getMult(self, t)
 		return ([[A wave of energy passes through your fungus, making it release immediate healing energies on you, healing you for %d%% of your current life regeneration rate (#GREEN#%d#LAST#).]]):
-		format(mult * 100,  self.life_regen * mult)
+		format(mult * 100, self.life_regen * mult)
 	end,
 }