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

src/mips/builtins-mips.cc

Index: src/mips/builtins-mips.cc
diff --git a/src/mips/builtins-mips.cc b/src/mips/builtins-mips.cc
index 66c4f1193d9c3b51ca0df5214a563867471ed3ec..1548179e6a1de04c14c40b8ba70201aede000703 100644
--- a/src/mips/builtins-mips.cc
+++ b/src/mips/builtins-mips.cc
@@ -1135,11 +1135,6 @@ static void Generate_EnterBytecodeDispatch(MacroAssembler* masm) {
         Operand(ExternalReference::interpreter_dispatch_table_address(
             masm->isolate())));
 
-  // Get the context from the frame.
-  __ lw(kContextRegister,
-        MemOperand(kInterpreterRegisterFileRegister,
-                   InterpreterFrameConstants::kContextFromRegisterPointer));
-
   // Get the bytecode array pointer from the frame.
   __ lw(
       kInterpreterBytecodeArrayRegister,