Userland: Move files destined for LibLocale to the Locale namespace

Author: https://github.com/trflynn89
Commit: ff48220dca
Pull-request: https://github.com/SerenityOS/serenity/pull/15096
Reviewed-by: https://github.com/linusg ✅

Meta/Lagom/Tools/CodeGenerators/LibLocale/GenerateRelativeTimeFormatData.cpp

@@ -180,7 +180,7 @@ static ErrorOr<void> generate_unicode_locale_header(Core::Stream::BufferedFile&
 
 #include <LibUnicode/Forward.h>
 
-namespace Unicode {
+namespace Locale {
 )~~~");
 
     generator.append(R"~~~(
@@ -207,7 +207,7 @@ static ErrorOr<void> generate_unicode_locale_implementation(Core::Stream::Buffer
 #include <LibUnicode/PluralRules.h>
 #include <LibUnicode/RelativeTimeFormat.h>
 
-namespace Unicode {
+namespace Locale {
 )~~~");
 
     cldr.unique_strings.generate(generator);