X87: [Interpreter] Remove register file register and replace with LoadParentFramePointer.

src/x87/macro-assembler-x87.h

Index: src/x87/macro-assembler-x87.h
diff --git a/src/x87/macro-assembler-x87.h b/src/x87/macro-assembler-x87.h
index ef11da0683dddb46fea9e239d24f42727055898d..b130df1beb657639b2aa421f9b77fe0580141f88 100644
--- a/src/x87/macro-assembler-x87.h
+++ b/src/x87/macro-assembler-x87.h
@@ -20,7 +20,6 @@ const Register kReturnRegister2 = {Register::kCode_edi};
 const Register kJSFunctionRegister = {Register::kCode_edi};
 const Register kContextRegister = {Register::kCode_esi};
 const Register kInterpreterAccumulatorRegister = {Register::kCode_eax};
-const Register kInterpreterRegisterFileRegister = {Register::kCode_edx};
 const Register kInterpreterBytecodeOffsetRegister = {Register::kCode_ecx};
 const Register kInterpreterBytecodeArrayRegister = {Register::kCode_edi};
 const Register kInterpreterDispatchTableRegister = {Register::kCode_esi};