Replace custom builtin invocation instructions by a generic version

src/ia32/lithium-ia32.cc

Index: src/ia32/lithium-ia32.cc
diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc
index c16ada1afbf3a49bb40722a0b18841f9b7288c58..4c8bb4f5399fc1a59d05f648969f83529b8a9b1d 100644
--- a/src/ia32/lithium-ia32.cc
+++ b/src/ia32/lithium-ia32.cc
@@ -2581,15 +2581,6 @@ LInstruction* LChunkBuilder::DoFunctionLiteral(HFunctionLiteral* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoDeleteProperty(HDeleteProperty* instr) {
-  LOperand* context = UseFixed(instr->context(), esi);
-  LOperand* object = UseAtStart(instr->object());
-  LOperand* key = UseOrConstantAtStart(instr->key());
-  LDeleteProperty* result = new(zone()) LDeleteProperty(context, object, key);
-  return MarkAsCall(DefineFixed(result, eax), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoOsrEntry(HOsrEntry* instr) {
   ASSERT(argument_count_ == 0);
   allocator_->MarkAsOsrEntry();
@@ -2770,15 +2761,6 @@ LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoIn(HIn* instr) {
-  LOperand* context = UseFixed(instr->context(), esi);
-  LOperand* key = UseOrConstantAtStart(instr->key());
-  LOperand* object = UseOrConstantAtStart(instr->object());
-  LIn* result = new(zone()) LIn(context, key, object);
-  return MarkAsCall(DefineFixed(result, eax), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoForInPrepareMap(HForInPrepareMap* instr) {
   LOperand* context = UseFixed(instr->context(), esi);
   LOperand* object = UseFixed(instr->enumerable(), eax);