Revert "Enchanting: fix inverted self-enchant success chance"

It wasn't inverted to begin with. The author of this commit is an idiot.

apps/openmw/mwmechanics/enchanting.cpp

@@ -65,7 +65,7 @@ namespace MWMechanics
 
         if(mSelfEnchanting)
         {
-            if(std::rand()/static_cast<double> (RAND_MAX)*100 < getEnchantChance())
+            if(getEnchantChance()<std::rand()/static_cast<double> (RAND_MAX)*100)
                 return false;
 
             mEnchanter.getClass().skillUsageSucceeded (mEnchanter, ESM::Skill::Enchant, 2);