Remove --harmony-regexps flag

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index a141e0c6cd07e2a01614ae47cdbb0940924e6574..af6954df451947b566da7fbd55b8caaf33ad26f3 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -2359,7 +2359,6 @@ EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_sloppy)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_sloppy_function)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_sloppy_let)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_object_observe)
-EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_regexps)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_unicode_regexps)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_do_expressions)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_iterator_close)
@@ -2925,8 +2924,6 @@ bool Genesis::InstallNatives(GlobalContextType context_type) {
 
 
 bool Genesis::InstallExperimentalNatives() {
-  static const char* harmony_regexps_natives[] = {"native harmony-regexp.js",
-                                                  nullptr};
   static const char* harmony_iterator_close_natives[] = {nullptr};
   static const char* harmony_sloppy_natives[] = {nullptr};
   static const char* harmony_sloppy_function_natives[] = {nullptr};