LibUnicode: Remove obsolete Unicode::get_default_number_system

This has been superseded by get_preferred_keyword_value_for_locale,
which doesn't require allocating a Vector just to return its first
element.

3 files changed, 1 insertions, 10 deletions

diff --git a/Userland/Libraries/LibUnicode/DateTimeFormat.cpp b/Userland/Libraries/LibUnicode/DateTimeFormat.cpp
index 8e96350396..2aff645f51 100644
--- a/Userland/Libraries/LibUnicode/DateTimeFormat.cpp
+++ b/Userland/Libraries/LibUnicode/DateTimeFormat.cpp
@@ -247,7 +247,7 @@ static Optional<String> format_time_zone_offset(StringView locale, CalendarPatte
     if (!formats.has_value())
         return {};
 
-    auto number_system = get_default_number_system(locale);
+    auto number_system = get_preferred_keyword_value_for_locale(locale, "nu"sv);
     if (!number_system.has_value())
         return {};
 
diff --git a/Userland/Libraries/LibUnicode/NumberFormat.cpp b/Userland/Libraries/LibUnicode/NumberFormat.cpp
index 15f602f6a1..b15322fd78 100644
--- a/Userland/Libraries/LibUnicode/NumberFormat.cpp
+++ b/Userland/Libraries/LibUnicode/NumberFormat.cpp
@@ -22,13 +22,6 @@ Optional<NumberFormat> __attribute__((weak)) get_standard_number_system_format(S
 Vector<NumberFormat> __attribute__((weak)) get_compact_number_system_formats(StringView, StringView, CompactNumberFormatType) { return {}; }
 Vector<NumberFormat> __attribute__((weak)) get_unit_formats(StringView, StringView, Style) { return {}; }
 
-Optional<StringView> get_default_number_system(StringView locale)
-{
-    if (auto systems = get_keywords_for_locale(locale, "nu"sv); !systems.is_empty())
-        return systems[0];
-    return {};
-}
-
 Optional<Span<u32 const>> __attribute__((weak)) get_digits_for_number_system(StringView)
 {
     // Fall back to "latn" digits when Unicode data generation is disabled.
diff --git a/Userland/Libraries/LibUnicode/NumberFormat.h b/Userland/Libraries/LibUnicode/NumberFormat.h
index dda885fd18..4a5fd966c8 100644
--- a/Userland/Libraries/LibUnicode/NumberFormat.h
+++ b/Userland/Libraries/LibUnicode/NumberFormat.h
@@ -58,8 +58,6 @@ enum class NumericSymbol : u8 {
     TimeSeparator,
 };
 
-Optional<StringView> get_default_number_system(StringView locale);
-
 Optional<StringView> get_number_system_symbol(StringView locale, StringView system, NumericSymbol symbol);
 Optional<NumberGroupings> get_number_system_groupings(StringView locale, StringView system);