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

src/x64/lithium-x64.h

Index: src/x64/lithium-x64.h
diff --git a/src/x64/lithium-x64.h b/src/x64/lithium-x64.h
index 2025117d82252d44074e7a30dc75cf217985d87d..3a07bac96402fca140ae0aa981b7543127702779 100644
--- a/src/x64/lithium-x64.h
+++ b/src/x64/lithium-x64.h
@@ -1928,14 +1928,11 @@
 };
 
 
-class LCallFunction FINAL : public LTemplateInstruction<1, 2, 2> {
- public:
-  LCallFunction(LOperand* context, LOperand* function, LOperand* slot,
-                LOperand* vector) {
+class LCallFunction FINAL : public LTemplateInstruction<1, 2, 0> {
+ public:
+  LCallFunction(LOperand* context, LOperand* function) {
     inputs_[0] = context;
     inputs_[1] = function;
-    temps_[0] = slot;
-    temps_[1] = vector;
   }
 
   DECLARE_CONCRETE_INSTRUCTION(CallFunction, "call-function")
@@ -1943,11 +1940,7 @@
 
   LOperand* context() { return inputs_[0]; }
   LOperand* function() { return inputs_[1]; }
-  LOperand* temp_slot() { return temps_[0]; }
-  LOperand* temp_vector() { return temps_[1]; }
   int arity() const { return hydrogen()->argument_count() - 1; }
-
-  void PrintDataTo(StringStream* stream) OVERRIDE;
 };