[turbofan] Remove unused constructor function matching from typer.

test/unittests/compiler/graph-unittest.cc

Index: test/unittests/compiler/graph-unittest.cc
diff --git a/test/unittests/compiler/graph-unittest.cc b/test/unittests/compiler/graph-unittest.cc
index 0fae3a9541c7cb260ae7b76115d04d9ed58fd759..6b8546b95a4380bd5b49462aa2a7e845ff141cf4 100644
--- a/test/unittests/compiler/graph-unittest.cc
+++ b/test/unittests/compiler/graph-unittest.cc
@@ -110,8 +110,7 @@ Matcher<Node*> GraphTest::IsUndefinedConstant() {
 
 
 TypedGraphTest::TypedGraphTest(int num_parameters)
-    : GraphTest(num_parameters),
-      typer_(isolate(), graph(), nullptr, MaybeHandle<Context>()) {}
+    : GraphTest(num_parameters), typer_(isolate(), graph()) {}
 
 
 TypedGraphTest::~TypedGraphTest() {}