[cleanup] #undef DECLARE_ERROR instead of non-existent DEFINE_ERROR

The latter was left from a previous commit and not updated later to reflect the new name.

Review-Url: https://codereview.chromium.org/2447023004
Cr-Commit-Position: refs/heads/master@{#40620}

AUTHORS

@@ -65,6 +65,7 @@ Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
 Geoffrey Garside <ggarside@gmail.com>
 Gwang Yoon Hwang <ryumiel@company100.net>
 Han Choongwoo <cwhan.tunz@gmail.com>
+Henrique Ferreiro <henrique.ferreiro@gmail.com>
 Hirofumi Mako <mkhrfm@gmail.com>
 Honggyu Kim <honggyu.kp@gmail.com>
 Ioseb Dzmanashvili <ioseb.dzmanashvili@gmail.com>

src/factory.h

@@ -638,7 +638,7 @@ class V8_EXPORT_PRIVATE Factory final {
   DECLARE_ERROR(TypeError)
   DECLARE_ERROR(WasmCompileError)
   DECLARE_ERROR(WasmRuntimeError)
-#undef DEFINE_ERROR
+#undef DECLARE_ERROR
 
   Handle<String> NumberToString(Handle<Object> number,
                                 bool check_number_string_cache = true);