Revert "[Intl] Ship Intl.Locale"

This reverts commit f1b21a10.

Reason for revert: breaks https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux64%20GC%20Stress%20-%20custom%20snapshot/24373

Original change's description:
> [Intl] Ship Intl.Locale
> 
> Bug: v8:7684
> Change-Id: I5994c3fc4b97c4322c4e0cf20305da75e66efd5a
> Reviewed-on: https://chromium-review.googlesource.com/c/1478220
> Reviewed-by: Adam Klein <adamk@chromium.org>
> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
> Commit-Queue: Frank Tang <ftang@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#59780}

TBR=adamk@chromium.org,gsathya@chromium.org,ftang@chromium.org

Change-Id: I7ae570d3cd0dd62f2b1a37c43b7f8b9ca51d7a5b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7684
Reviewed-on: https://chromium-review.googlesource.com/c/1481901Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59782}

src/flag-definitions.h

@@ -220,6 +220,7 @@ DEFINE_IMPLICATION(harmony_private_methods, harmony_private_fields)
 #ifdef V8_INTL_SUPPORT
 #define HARMONY_STAGED(V)          \
   HARMONY_STAGED_BASE(V)           \
+  V(harmony_locale, "Intl.Locale") \
   V(harmony_intl_segmenter, "Intl.Segmenter")
 #else
 #define HARMONY_STAGED(V) HARMONY_STAGED_BASE(V)
@@ -242,9 +243,7 @@ DEFINE_IMPLICATION(harmony_private_methods, harmony_private_fields)
   V(harmony_private_fields, "harmony private fields in class literals")
 
 #ifdef V8_INTL_SUPPORT
-#define HARMONY_SHIPPING(V) \
-  HARMONY_SHIPPING_BASE(V)  \
-  V(harmony_locale, "Intl.Locale")
+#define HARMONY_SHIPPING(V) HARMONY_SHIPPING_BASE(V)
 #else
 #define HARMONY_SHIPPING(V) HARMONY_SHIPPING_BASE(V)
 #endif