[test] Remove FAIL expectation for intl/collator/default-locale on Android and Mac

BUG=v8:2899
LOG=N
R=

Review URL: https://codereview.chromium.org/1364583004

Cr-Commit-Position: refs/heads/master@{#30979}

test/intl/intl.status

@@ -35,9 +35,6 @@
   # TODO(jochen): The following test is flaky.
   'overrides/caching': [PASS, FAIL],
 
-  # BUG(2899): default locale for search fails on mac and on android.
-  'collator/default-locale': [['system == macos or arch == android_arm or arch == android_ia32', FAIL]],
-
   # BUG(v8:3454).
   'date-format/parse-MMMdy': [FAIL],
   'date-format/parse-mdyhms': [FAIL],