Revert "Handle non-power-of-2 divisors in division-like operations", "A64 tweaks for division-like …

src/assembler.h

Index: src/assembler.h
diff --git a/src/assembler.h b/src/assembler.h
index c953629846b25ce5393a4d2d5aec87a7fb15bea6..25060018221140df2a8a453fb26fbb7115013f87 100644
--- a/src/assembler.h
+++ b/src/assembler.h
@@ -1037,21 +1037,6 @@ class NullCallWrapper : public CallWrapper {
   virtual void AfterCall() const { }
 };
 
-
-// The multiplier and shift for signed division via multiplication, see Warren's
-// "Hacker's Delight", chapter 10.
-class MultiplierAndShift {
- public:
-  explicit MultiplierAndShift(int32_t d);
-  int32_t multiplier() const { return multiplier_; }
-  int32_t shift() const { return shift_; }
-
- private:
-  int32_t multiplier_;
-  int32_t shift_;
-};
-
-
 } }  // namespace v8::internal
 
 #endif  // V8_ASSEMBLER_H_