Remove --intl-extra flag

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 3b44c64d27f412930cff789d014d8599e76dba1c..14fe8b0a5b67b9c058cf437de1d44c6931c3d555 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -210,9 +210,6 @@ class Genesis BASE_EMBEDDED {
   HARMONY_INPROGRESS(DECLARE_FEATURE_INITIALIZATION)
   HARMONY_STAGED(DECLARE_FEATURE_INITIALIZATION)
   HARMONY_SHIPPING(DECLARE_FEATURE_INITIALIZATION)
-#ifdef V8_I18N_SUPPORT
-  DECLARE_FEATURE_INITIALIZATION(intl_extra, "")
-#endif
 #undef DECLARE_FEATURE_INITIALIZATION
 
   Handle<JSFunction> InstallArrayBuffer(Handle<JSObject> target,
@@ -2224,9 +2221,6 @@ void Genesis::InitializeExperimentalGlobal() {
   HARMONY_INPROGRESS(FEATURE_INITIALIZE_GLOBAL)
   HARMONY_STAGED(FEATURE_INITIALIZE_GLOBAL)
   HARMONY_SHIPPING(FEATURE_INITIALIZE_GLOBAL)
-#ifdef V8_I18N_SUPPORT
-  FEATURE_INITIALIZE_GLOBAL(intl_extra, "")
-#endif
 #undef FEATURE_INITIALIZE_GLOBAL
 }
 
@@ -2797,8 +2791,6 @@ void Bootstrapper::ExportExperimentalFromRuntime(Isolate* isolate,
                           isolate->factory()->ToBoolean(FLAG), NONE); \
   }
 
-  INITIALIZE_FLAG(FLAG_intl_extra)
-
 #undef INITIALIZE_FLAG
 #endif
 }
@@ -2820,7 +2812,6 @@ EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_string_padding)
 #ifdef V8_I18N_SUPPORT
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(datetime_format_to_parts)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(icu_case_mapping)
-EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(intl_extra)
 #endif
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_async_await)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_restrictive_generators)
@@ -3418,7 +3409,6 @@ bool Genesis::InstallExperimentalNatives() {
 #ifdef V8_I18N_SUPPORT
   static const char* icu_case_mapping_natives[] = {"native icu-case-mapping.js",
                                                    nullptr};
-  static const char* intl_extra_natives[] = {"native intl-extra.js", nullptr};
   static const char* datetime_format_to_parts_natives[] = {
       "native datetime-format-to-parts.js", nullptr};
 #endif
@@ -3444,9 +3434,6 @@ bool Genesis::InstallExperimentalNatives() {
     HARMONY_INPROGRESS(INSTALL_EXPERIMENTAL_NATIVES);
     HARMONY_STAGED(INSTALL_EXPERIMENTAL_NATIVES);
     HARMONY_SHIPPING(INSTALL_EXPERIMENTAL_NATIVES);
-#ifdef V8_I18N_SUPPORT
-    INSTALL_EXPERIMENTAL_NATIVES(intl_extra, "");
-#endif
 #undef INSTALL_EXPERIMENTAL_NATIVES
   }