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

src/x64/macro-assembler-x64.h

Index: src/x64/macro-assembler-x64.h
diff --git a/src/x64/macro-assembler-x64.h b/src/x64/macro-assembler-x64.h
index 63f452ee7fd350804257142b512d10231e2d879a..5b9be09d45b14ac365bdf4e7956e3db95215f94b 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -22,7 +22,6 @@ const Register kReturnRegister2 = {Register::kCode_r8};
 const Register kJSFunctionRegister = {Register::kCode_rdi};
 const Register kContextRegister = {Register::kCode_rsi};
 const Register kInterpreterAccumulatorRegister = {Register::kCode_rax};
-const Register kInterpreterRegisterFileRegister = {Register::kCode_r11};
 const Register kInterpreterBytecodeOffsetRegister = {Register::kCode_r12};
 const Register kInterpreterBytecodeArrayRegister = {Register::kCode_r14};
 const Register kInterpreterDispatchTableRegister = {Register::kCode_r15};