[interpreter] Deprecate DeleteLookupSlot bytecode.

src/interpreter/bytecode-array-builder.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/interpreter/bytecode-array-builder.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
@@ skipping 1185 matching lines @@
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::Delete(Register object,
                                                    LanguageMode language_mode) {
   Output(BytecodeForDelete(language_mode), object.ToRawOperand());
   return *this;
 }
 
 
-BytecodeArrayBuilder& BytecodeArrayBuilder::DeleteLookupSlot() {
-  Output(Bytecode::kDeleteLookupSlot);
-  return *this;
-}
-
-
 size_t BytecodeArrayBuilder::GetConstantPoolEntry(Handle<Object> object) {
   return constant_array_builder()->Insert(object);
 }
 
 void BytecodeArrayBuilder::SetStatementPosition(Statement* stmt) {
   if (stmt->position() == RelocInfo::kNoPosition) return;
   source_position_table_builder_.AddStatementPosition(bytecodes_.size(),
                                                       stmt->position());
 }
 
@@ skipping 470 matching lines @@
 }
 
 // static
 bool BytecodeArrayBuilder::FitsInReg16OperandUntranslated(Register value) {
   return value.is_short_operand();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8