Revert "[Intl] Ship Intl.DateTimeFormat#formatRange"

This reverts commit 3c2103bd.

Reason for revert: Could be causing changes in GC timing resulting in https://ci.chromium.org/p/v8/builders/ci/V8%20Linux64%20GC%20Stress%20-%20custom%20snapshot/25867

Original change's description:
> [Intl] Ship Intl.DateTimeFormat#formatRange
> 
> Design Doc: https://goo.gl/PGUQ1d
> Chrome Status: https://www.chromestatus.com/feature/5077134515109888
> I2S: https://groups.google.com/a/chromium.org/d/msg/blink-dev/Nh-jMn8L8fQ/GQN6wQQVBQAJ
> I2I: https://groups.google.com/a/chromium.org/d/msg/blink-dev/WTAjjcXaraA/ZypbHTlEAQAJ
> 
> Bug: v8:7729
> Change-Id: Ib3277c6a01546fd56418615087df497058edb8ae
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1604068
> Commit-Queue: Frank Tang <ftang@chromium.org>
> Reviewed-by: Mathias Bynens <mathias@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#61580}

TBR=adamk@chromium.org,jkummerow@chromium.org,jshin@chromium.org,mathias@chromium.org,ftang@chromium.org

Change-Id: Ic08e3951a2f07d6e579050a1cd564a21a7498cdd
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7729
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1615469Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61586}

src/flag-definitions.h

@@ -227,6 +227,7 @@ DEFINE_IMPLICATION(harmony_import_meta, harmony_dynamic_import)
 #ifdef V8_INTL_SUPPORT
 #define HARMONY_STAGED(V)                                         \
   HARMONY_STAGED_BASE(V)                                          \
+  V(harmony_intl_date_format_range, "DateTimeFormat formatRange") \
   V(harmony_intl_segmenter, "Intl.Segmenter")
 #else
 #define HARMONY_STAGED(V) HARMONY_STAGED_BASE(V)
@@ -247,10 +248,9 @@ DEFINE_IMPLICATION(harmony_import_meta, harmony_dynamic_import)
   V(harmony_promise_all_settled, "harmony Promise.allSettled")
 
 #ifdef V8_INTL_SUPPORT
-#define HARMONY_SHIPPING(V)                                       \
-  HARMONY_SHIPPING_BASE(V)                                        \
-  V(harmony_intl_bigint, "BigInt.prototype.toLocaleString")       \
-  V(harmony_intl_date_format_range, "DateTimeFormat formatRange") \
+#define HARMONY_SHIPPING(V)                                 \
+  HARMONY_SHIPPING_BASE(V)                                  \
+  V(harmony_intl_bigint, "BigInt.prototype.toLocaleString") \
   V(harmony_intl_datetime_style, "dateStyle timeStyle for DateTimeFormat")
 #else
 #define HARMONY_SHIPPING(V) HARMONY_SHIPPING_BASE(V)