[turbofan] Remove obsolete 'incomplete' flag from GraphDecorator.

src/compiler/graph.cc

Index: src/compiler/graph.cc
diff --git a/src/compiler/graph.cc b/src/compiler/graph.cc
index 07bf2ba44eb7cdb068796d0ed179f628172c444c..327fb5853c0690997ffabc6383441338dd01b4b2 100644
--- a/src/compiler/graph.cc
+++ b/src/compiler/graph.cc
@@ -22,9 +22,9 @@ Graph::Graph(Zone* zone)
       decorators_(zone) {}
 
 
-void Graph::Decorate(Node* node, bool incomplete) {
+void Graph::Decorate(Node* node) {
   for (auto const decorator : decorators_) {
-    decorator->Decorate(node, incomplete);
+    decorator->Decorate(node);
   }
 }
 
@@ -46,7 +46,7 @@ Node* Graph::NewNode(const Operator* op, int input_count, Node** inputs,
   DCHECK_LE(op->ValueInputCount(), input_count);
   Node* const node =
       Node::New(zone(), NextNodeId(), op, input_count, inputs, incomplete);
-  Decorate(node, incomplete);
+  Decorate(node);
   return node;
 }