Revert of Continue learning for calls in optimized code when we have no type feedback.

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index 2b67ce96cc66956f0cc8fee9c81089b86b49a295..045cc108bb24c888a9e7346a70fe22f684ce46cf 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -265,20 +265,6 @@
   base_object()->PrintTo(stream);
   stream->Add(" + ");
   offset()->PrintTo(stream);
-}
-
-
-void LCallFunction::PrintDataTo(StringStream* stream) {
-  context()->PrintTo(stream);
-  stream->Add(" ");
-  function()->PrintTo(stream);
-  if (hydrogen()->HasVectorAndSlot()) {
-    stream->Add(" (type-feedback-vector ");
-    temp_vector()->PrintTo(stream);
-    stream->Add(" ");
-    temp_slot()->PrintTo(stream);
-    stream->Add(")");
-  }
 }
 
 
@@ -1274,14 +1260,7 @@
 LInstruction* LChunkBuilder::DoCallFunction(HCallFunction* instr) {
   LOperand* context = UseFixed(instr->context(), rsi);
   LOperand* function = UseFixed(instr->function(), rdi);
-  LOperand* slot = NULL;
-  LOperand* vector = NULL;
-  if (instr->HasVectorAndSlot()) {
-    slot = FixedTemp(rdx);
-    vector = FixedTemp(rbx);
-  }
-  LCallFunction* call =
-      new (zone()) LCallFunction(context, function, slot, vector);
+  LCallFunction* call = new(zone()) LCallFunction(context, function);
   return MarkAsCall(DefineFixed(call, rax), instr);
 }