Remove suppressions for ie9

tests/isolate/isolate.status

Index: tests/isolate/isolate.status
===================================================================
--- tests/isolate/isolate.status	(revision 40135)
+++ tests/isolate/isolate.status	(working copy)
@@ -40,9 +40,6 @@
 [ $compiler == dart2js ]
 serialization_test: RuntimeError # Issue 1882, tries to access class TestingOnly declared in isolate_patch.dart
 
-[ $compiler == dart2js && $runtime == ie9 ]
-browser/typed_data_message_test: Fail # Issue 12624
-
 [ $compiler == dart2js && $runtime == safari ]
 cross_isolate_message_test: Skip # Issue 12627
 message_test: Skip # Issue 12627
@@ -54,9 +51,6 @@
 [ $compiler == dart2js && $jscl ]
 spawn_uri_test: SkipByDesign # Loading another file is not supported in JS shell
 
-[ $compiler == dart2js && $runtime == ie9 ]
-spawn_uri_test: Fail # Issue 12630
-
 [ $compiler == dart2js && $runtime == none ]
 serialization_test: Pass # Issue 12628
 
@@ -81,7 +75,7 @@
 [ $compiler == none && $runtime == drt ]
 spawn_uri_nested_vm_test: Skip # Issue 14463
 
-[ $jscl || $runtime == ie9 ]
+[ $jscl ]
 spawn_uri_multi_test/none: RuntimeError # http://dartbug.com/13544
 
 [ ($compiler == none || $compiler == dart2dart) && ($runtime == dartium || $runtime == drt || $runtime == ContentShellOnAndroid) ]