[turbofan] Remove unused constructor function matching from typer.

test/cctest/compiler/test-js-typed-lowering.cc

Index: test/cctest/compiler/test-js-typed-lowering.cc
diff --git a/test/cctest/compiler/test-js-typed-lowering.cc b/test/cctest/compiler/test-js-typed-lowering.cc
index 47ae71d232d6990126ba70b0e3f838d058aae5b5..e2f94bc0dc26698fc156acece634f752da0dfef3 100644
--- a/test/cctest/compiler/test-js-typed-lowering.cc
+++ b/test/cctest/compiler/test-js-typed-lowering.cc
@@ -38,7 +38,7 @@ class JSTypedLoweringTester : public HandleAndZoneScope {
         simplified(main_zone()),
         common(main_zone()),
         graph(main_zone()),
-        typer(main_isolate(), &graph, nullptr, MaybeHandle<Context>()),
+        typer(main_isolate(), &graph),
         context_node(NULL) {
     graph.SetStart(graph.NewNode(common.Start(num_parameters)));
     graph.SetEnd(graph.NewNode(common.End(1)));