[Intl] Clean up TODO(ftang)

Remove TODO that is already done
Uncomment two working tests.

Bug: v8:5751
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: Icb28d84e92812996c2928e90961d75508ba4c401
Reviewed-on: https://chromium-review.googlesource.com/c/1296933Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56961}

src/objects/js-relative-time-format-inl.h

@@ -24,8 +24,6 @@ ACCESSORS(JSRelativeTimeFormat, icu_formatter,
           Managed<icu::RelativeDateTimeFormatter>, kICUFormatterOffset)
 SMI_ACCESSORS(JSRelativeTimeFormat, flags, kFlagsOffset)
 
-// TODO(ftang): Use bit field accessor for style and numeric later.
-
 inline void JSRelativeTimeFormat::set_style(Style style) {
   DCHECK_GT(Style::COUNT, style);
   int hints = flags();

test/intl/list-format/resolved-options.js

@@ -147,9 +147,6 @@ assertEquals(
     'ar',
     (new Intl.ListFormat(['xyz', 'ar'])).resolvedOptions().locale);
 
-// The following is not working yet because it depend on the getAvailableLocales
-// work in another path set.
-// TODO(ftang): uncomment the following once that patchset is checked in.
-// assertEquals(
-//     'ar',
-//     (new Intl.ListFormat(['i-default', 'ar'])).resolvedOptions().locale);
+assertEquals(
+    'ar',
+    (new Intl.ListFormat(['i-default', 'ar'])).resolvedOptions().locale);

test/intl/relative-time-format/resolved-options.js

@@ -154,9 +154,6 @@ assertEquals(
      Intl.RelativeTimeFormat.prototype.resolvedOptions.call(receiver), TypeError);
 }
 
-// The following is not working yet because it depend on the getAvailableLocales
-// work in another path set.
-// TODO(ftang): uncomment the following once that patchset is checked in.
-//assertEquals(
-//    'ar',
-//    (new Intl.RelativeTimeFormat(['i-default', 'ar'])).resolvedOptions().locale);
+assertEquals(
+    'ar',
+    (new Intl.RelativeTimeFormat(['i-default', 'ar'])).resolvedOptions().locale);