Removed flaky marker of a number of tests

pkg/pkg.status

Index: pkg/pkg.status
diff --git a/pkg/pkg.status b/pkg/pkg.status
index f99759312e1b15a8f4b1cecb80013ab0b7857452..af3a2709aa56fa17f45fb82f4e2b1a1808342420 100644
--- a/pkg/pkg.status
+++ b/pkg/pkg.status
@@ -28,10 +28,6 @@ scheduled_test/test/scheduled_process_test: Pass, Slow # Issue 9231
 webdriver/test/webdriver_test: Skip
 
 
-[ $compiler == dart2js && $runtime == drt ]
-unittest/test/unittest_test: Pass, Fail, Crash # Bug in v8, http://dartbug.com/9407
-
-
 [ $runtime == d8 || $runtime == jsshell ]
 unittest/test/unittest_test: Pass, Fail # http://dartbug.com/10109
 
@@ -129,9 +125,6 @@ intl/test/date_time_format_uninitialized_test: Pass, Fail # http://dartbug.com/9
 unittest/test/mock_test: Fail
 unittest/test/mock_regexp_negative_test: Fail
 
-[ $compiler == dart2js && $csp && $runtime == drt ]
-unittest/test/unittest_test: Pass, Fail, Crash # Bug in v8, http://dartbug.com/9407
-
 [ $compiler == none && $runtime == drt ]
 dartdoc/test/dartdoc_test: Skip # See dartbug.com/4541.