[turbofan] Drop broken StaticParameterTraits.

src/compiler/raw-machine-assembler.h

Index: src/compiler/raw-machine-assembler.h
diff --git a/src/compiler/raw-machine-assembler.h b/src/compiler/raw-machine-assembler.h
index fdda6198387d98ecc8ec6ba7c64965f3f0a4e73e..8e68a8865aef75e6f16e02b77757991be620d716 100644
--- a/src/compiler/raw-machine-assembler.h
+++ b/src/compiler/raw-machine-assembler.h
@@ -57,7 +57,7 @@ class RawMachineAssembler : public GraphBuilder {
   MachineSignature* machine_sig() const { return machine_sig_; }
 
   Node* UndefinedConstant() {
-    Unique<Object> unique = Unique<Object>::CreateImmovable(
+    Unique<HeapObject> unique = Unique<HeapObject>::CreateImmovable(
         isolate()->factory()->undefined_value());
     return NewNode(common()->HeapConstant(unique));
   }
@@ -86,8 +86,8 @@ class RawMachineAssembler : public GraphBuilder {
   Node* Float64Constant(double value) {
     return NewNode(common()->Float64Constant(value));
   }
-  Node* HeapConstant(Handle<Object> object) {
-    Unique<Object> val = Unique<Object>::CreateUninitialized(object);
+  Node* HeapConstant(Handle<HeapObject> object) {
+    Unique<HeapObject> val = Unique<HeapObject>::CreateUninitialized(object);
     return NewNode(common()->HeapConstant(val));
   }