gh-130567: Enable previously skipped locale tests on FreeBSD and macOS (GH-138652)

(cherry picked from commit 1b8dcda)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

Author: serhiy-storchaka

Lib/test/test_locale.py

@@ -349,8 +349,7 @@ def setUp(self):
         enc = codecs.lookup(locale.getencoding() or 'ascii').name
         if enc not in ('utf-8', 'iso8859-1', 'cp1252'):
             raise unittest.SkipTest('encoding not suitable')
-        if enc != 'iso8859-1' and (sys.platform == 'darwin' or is_android or
-                                   sys.platform.startswith('freebsd')):
+        if enc != 'iso8859-1' and is_android:
             raise unittest.SkipTest('wcscoll/wcsxfrm have known bugs')
         BaseLocalizedTest.setUp(self)