[turbofan] Remove bogus constant materialization from frame.

src/compiler/code-generator.cc

Index: src/compiler/code-generator.cc
diff --git a/src/compiler/code-generator.cc b/src/compiler/code-generator.cc
index 1d3045231ae5dc390113b5ac2b04fe1fc3e8d625..c588ae2358a64c4f6add590a75d30f4a73edc6ab 100644
--- a/src/compiler/code-generator.cc
+++ b/src/compiler/code-generator.cc
@@ -281,21 +281,6 @@ void CodeGenerator::RecordSafepoint(ReferenceMap* references,
   }
 }
 
-bool CodeGenerator::IsMaterializableFromFrame(Handle<HeapObject> object,
-                                              int* slot_return) {
-  if (linkage()->GetIncomingDescriptor()->IsJSFunctionCall()) {
-    if (*object == info()->context() && !info()->is_osr()) {
-      *slot_return = Frame::kContextSlot;
-      return true;
-    } else if (object.is_identical_to(info()->closure())) {
-      *slot_return = Frame::kJSFunctionSlot;
-      return true;
-    }
-  }
-  return false;
-}
-
-
 bool CodeGenerator::IsMaterializableFromRoot(
     Handle<HeapObject> object, Heap::RootListIndex* index_return) {
   const CallDescriptor* incoming_descriptor =