Revert "Add signed/unsigned 8-bit and 16-bit Representations to Crankshaft"

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index 29bb78d1b80b4112bf31d9dafbb99b66b4ccba01..5f1e428d6125d15b7dd5b0f9046dd35ba8052529 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -61,9 +61,6 @@ class MacroAssembler: public Assembler {
   // macro assembler.
   MacroAssembler(Isolate* isolate, void* buffer, int size);
 
-  void Load(Register dst, const Operand& src, Representation r);
-  void Store(Register src, const Operand& dst, Representation r);
-
   // Operations on roots in the root-array.
   void LoadRoot(Register destination, Heap::RootListIndex index);
   void StoreRoot(Register source, Register scratch, Heap::RootListIndex index);