Remove all harmony runtime flags which shipped in M51

test/mjsunit/harmony/unicode-regexp-ignore-case.js

Index: test/mjsunit/harmony/unicode-regexp-ignore-case.js
diff --git a/test/mjsunit/harmony/unicode-regexp-ignore-case.js b/test/mjsunit/harmony/unicode-regexp-ignore-case.js
deleted file mode 100644
index 291b8662ffcb6360703c8e9a3b2a45f93bffcdd9..0000000000000000000000000000000000000000
--- a/test/mjsunit/harmony/unicode-regexp-ignore-case.js
+++ /dev/null
@@ -1,64 +0,0 @@
-// Copyright 2016 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --harmony-unicode-regexps
-
-// Non-unicode use toUpperCase mappings.
-assertFalse(/[\u00e5]/i.test("\u212b"));
-assertFalse(/[\u212b]/i.test("\u00e5\u1234"));
-assertFalse(/[\u212b]/i.test("\u00e5"));
-
-assertTrue("\u212b".toLowerCase() == "\u00e5");
-assertTrue("\u00c5".toLowerCase() == "\u00e5");
-assertTrue("\u00e5".toUpperCase() == "\u00c5");
-
-// Unicode uses case folding mappings.
-assertTrue(/\u00e5/ui.test("\u212b"));
-assertTrue(/\u00e5/ui.test("\u00c5"));
-assertTrue(/\u00e5/ui.test("\u00e5"));
-assertTrue(/\u00e5/ui.test("\u212b"));
-assertTrue(/\u00c5/ui.test("\u00e5"));
-assertTrue(/\u00c5/ui.test("\u212b"));
-assertTrue(/\u00c5/ui.test("\u00c5"));
-assertTrue(/\u212b/ui.test("\u00c5"));
-assertTrue(/\u212b/ui.test("\u00e5"));
-assertTrue(/\u212b/ui.test("\u212b"));
-
-// Non-BMP.
-assertFalse(/\u{10400}/i.test("\u{10428}"));
-assertTrue(/\u{10400}/ui.test("\u{10428}"));
-assertTrue(/\ud801\udc00/ui.test("\u{10428}"));
-assertTrue(/[\u{10428}]/ui.test("\u{10400}"));
-assertTrue(/[\ud801\udc28]/ui.test("\u{10400}"));
-assertEquals(["\uff21\u{10400}"],
-             /[\uff40-\u{10428}]+/ui.exec("\uff21\u{10400}abc"));
-assertEquals(["abc"], /[^\uff40-\u{10428}]+/ui.exec("\uff21\u{10400}abc\uff23"));
-assertEquals(["\uff53\u24bb"],
-             /[\u24d5-\uff33]+/ui.exec("\uff54\uff53\u24bb\u24ba"));
-
-// Full mappings are ignored.
-assertFalse(/\u00df/ui.test("SS"));
-assertFalse(/\u1f8d/ui.test("\u1f05\u03b9"));
-
-// Simple mappings work.
-assertTrue(/\u1f8d/ui.test("\u1f85"));
-
-// Common mappings work.
-assertTrue(/\u1f6b/ui.test("\u1f63"));
-
-// Back references.
-assertEquals(["\u00e5\u212b\u00c5", "\u00e5"],
-             /(.)\1\1/ui.exec("\u00e5\u212b\u00c5"));
-assertEquals(["\u{118aa}\u{118ca}", "\u{118aa}"],
-             /(.)\1/ui.exec("\u{118aa}\u{118ca}"));
-
-// Misc.
-assertTrue(/\u00e5\u00e5\u00e5/ui.test("\u212b\u00e5\u00c5"));
-assertTrue(/AB\u{10400}/ui.test("ab\u{10428}"));
-
-// Non-Latin1 maps to Latin1.
-assertEquals(["s"], /^\u017F/ui.exec("s"));
-assertEquals(["s"], /^\u017F/ui.exec("s\u1234"));
-assertEquals(["as"], /^a[\u017F]/ui.exec("as"));
-assertEquals(["as"], /^a[\u017F]/ui.exec("as\u1234"));