Remove the template magic from types.(h|cc), remove types-inl.h.

src/ast/ast.cc

Index: src/ast/ast.cc
diff --git a/src/ast/ast.cc b/src/ast/ast.cc
index f87d7e8937221e2381d929678e06f6f3bc1939b9..037edea218f72f7ba4cbe28f174292961ef82586 100644
--- a/src/ast/ast.cc
+++ b/src/ast/ast.cc
@@ -819,14 +819,12 @@ void AstVisitor::VisitExpressions(ZoneList<Expression*>* expressions) {
   }
 }
 
-
 CaseClause::CaseClause(Zone* zone, Expression* label,
                        ZoneList<Statement*>* statements, int pos)
     : Expression(zone, pos),
       label_(label),
       statements_(statements),
-      compare_type_(Type::None(zone)) {}
-
+      compare_type_(Type::None()) {}
 
 uint32_t Literal::Hash() {
   return raw_value()->IsString()