[crankshaft] Remove useless HCallJSFunction instruction.

src/crankshaft/ppc/lithium-ppc.cc

Index: src/crankshaft/ppc/lithium-ppc.cc
diff --git a/src/crankshaft/ppc/lithium-ppc.cc b/src/crankshaft/ppc/lithium-ppc.cc
index a535f6cd1ec9f62d940e1421988d3aba87aa6806..15853fde9d0713d32fff65ac469323002bcfc165 100644
--- a/src/crankshaft/ppc/lithium-ppc.cc
+++ b/src/crankshaft/ppc/lithium-ppc.cc
@@ -261,13 +261,6 @@ void LInnerAllocatedObject::PrintDataTo(StringStream* stream) {
 }
 
 
-void LCallJSFunction::PrintDataTo(StringStream* stream) {
-  stream->Add("= ");
-  function()->PrintTo(stream);
-  stream->Add("#%d / ", arity());
-}
-
-
 void LCallWithDescriptor::PrintDataTo(StringStream* stream) {
   for (int i = 0; i < InputCount(); i++) {
     InputAt(i)->PrintTo(stream);
@@ -1056,15 +1049,6 @@ LInstruction* LChunkBuilder::DoDeclareGlobals(HDeclareGlobals* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoCallJSFunction(HCallJSFunction* instr) {
-  LOperand* function = UseFixed(instr->function(), r4);
-
-  LCallJSFunction* result = new (zone()) LCallJSFunction(function);
-
-  return MarkAsCall(DefineFixed(result, r3), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoCallWithDescriptor(HCallWithDescriptor* instr) {
   CallInterfaceDescriptor descriptor = instr->descriptor();