Remove an unused member

CodaFi · CodaFi · commit 0c54eecdc3b4 · 2019-11-13T10:06:07.000-08:00
diff --git a/lib/Sema/TypeChecker.h b/lib/Sema/TypeChecker.h
@@ -925,9 +925,6 @@ class TypeChecker final {
   /// struct or class.
   static void addImplicitConstructors(NominalTypeDecl *typeDecl);
 
-private:
-  Optional<Type> boolType;
-
 public:
   /// Fold the given sequence expression into an (unchecked) expression
   /// tree.
