[Interpreter] No longer require context machine register in bytecode handlers

src/ppc/builtins-ppc.cc

Index: src/ppc/builtins-ppc.cc
diff --git a/src/ppc/builtins-ppc.cc b/src/ppc/builtins-ppc.cc
index c20f5ebd809d0f8674893a31c1c62128f0826ae2..13dd76da198506045247c1fa361fcdcff134004a 100644
--- a/src/ppc/builtins-ppc.cc
+++ b/src/ppc/builtins-ppc.cc
@@ -1155,11 +1155,6 @@ static void Generate_EnterBytecodeDispatch(MacroAssembler* masm) {
          Operand(ExternalReference::interpreter_dispatch_table_address(
              masm->isolate())));
 
-  // Get the context from the frame.
-  __ LoadP(kContextRegister,
-           MemOperand(kInterpreterRegisterFileRegister,
-                      InterpreterFrameConstants::kContextFromRegisterPointer));
-
   // Get the bytecode array pointer from the frame.
   __ LoadP(
       kInterpreterBytecodeArrayRegister,