Revert of Provide call counts for constructor calls, surface them as a vector IC.

src/type-feedback-vector.cc

Index: src/type-feedback-vector.cc
diff --git a/src/type-feedback-vector.cc b/src/type-feedback-vector.cc
index 9d7169e9d6a988406d2b0d255d47df6153c2d3ed..7b7b434f5600154d45b7eba03c37bed8eeb375b7 100644
--- a/src/type-feedback-vector.cc
+++ b/src/type-feedback-vector.cc
@@ -109,8 +109,6 @@
       return "INVALID";
     case FeedbackVectorSlotKind::CALL_IC:
       return "CALL_IC";
-    case FeedbackVectorSlotKind::CONSTRUCT_IC:
-      return "CONSTRUCT_IC";
     case FeedbackVectorSlotKind::LOAD_IC:
       return "LOAD_IC";
     case FeedbackVectorSlotKind::KEYED_LOAD_IC:
@@ -221,11 +219,6 @@
       switch (kind) {
         case FeedbackVectorSlotKind::CALL_IC: {
           CallICNexus nexus(this, slot);
-          nexus.Clear(shared->code());
-          break;
-        }
-        case FeedbackVectorSlotKind::CONSTRUCT_IC: {
-          ConstructICNexus nexus(this, slot);
           nexus.Clear(shared->code());
           break;
         }
@@ -492,18 +485,6 @@
 }
 
 
-Handle<Object> CallICNexus::GetCallFeedback() {
-  Object* feedback = GetFeedback();
-  if (feedback->IsWeakCell()) {
-    feedback = WeakCell::cast(feedback)->value();
-  }
-  if (!feedback->IsJSFunction() && !feedback->IsAllocationSite()) {
-    feedback = GetIsolate()->heap()->undefined_value();
-  }
-  return handle(feedback, GetIsolate());
-}
-
-
 int CallICNexus::ExtractCallCount() {
   Object* call_count = GetFeedbackExtra();
   if (call_count->IsSmi()) {
@@ -515,11 +496,6 @@
 
 
 void CallICNexus::Clear(Code* host) { CallIC::Clear(GetIsolate(), host, this); }
-
-
-void ConstructICNexus::Clear(Code* host) {
-  ConstructIC::Clear(GetIsolate(), host, this);
-}
 
 
 void CallICNexus::ConfigureMonomorphicArray() {