Bug 1019310 - Remove comment about x86 in ARM-specific code. r=shu

js/src/jit/arm/LIR-arm.h

@@ -431,8 +431,6 @@ class LUMod : public LBinaryMath<0>
     }
 };
 
-// This class performs a simple x86 'div', yielding either a quotient or remainder depending on
-// whether this instruction is defined to output eax (quotient) or edx (remainder).
 class LSoftUDivOrMod : public LBinaryMath<3>
 {
   public: