Remove suppressions for ie9

pkg/pkg.status

Index: pkg/pkg.status
===================================================================
--- pkg/pkg.status	(revision 40135)
+++ pkg/pkg.status	(working copy)
@@ -143,11 +143,6 @@
 [ $compiler == dart2js && $csp && $runtime == drt ]
 web_components/test/interop_test: Fail # Issue 19329
 
-[ $compiler == dart2js && $checked && $runtime == ie9 ]
-crypto/test/base64_test: Timeout # Issue 12486
-collection/test/priority_queue_test: Pass, Slow # Issue 16426
-serialization/test/serialization_test: Skip
-
 [ $runtime == d8 ]
 analysis_server/test/analysis_notification_overrides_test: Pass, Slow # Issue 19756
 analysis_server/test/analysis_notification_occurrences_test: Pass, Slow # Issue 19756
@@ -231,16 +226,6 @@
 intl/test/find_default_locale_browser_test: Fail
 intl/test/date_time_format_http_request_test: Skip # Timeout.
 
-[ $runtime == ie9 ]
-mime/test/mime_multipart_transformer_test: Skip # No typed_data on IE9.
-typed_data/test/typed_buffers_test: Fail, Crash # No typed_data on IE9.
-polymer/test/instance_attrs_test: Pass, Fail # Issue 14167
-polymer/test/bind_mdv_test: Slow, Pass, RuntimeError # Issue 14412, 13260
-matcher/test/core_matchers_test: RuntimeError # Issue 17762
-polymer_expressions/test/bindings_test: RuntimeError # Issue 19265
-polymer_expressions/test/globals_test: RuntimeError # Issue 19265
-template_binding/test/template_binding_test: Pass, RuntimeError # Issue 19265
-
 [ $ie ]
 polymer/test/noscript_test: RuntimeError, Pass # Issue 13260
 intl/test/date_time_format_http_request_test: Fail # Issue 8983
@@ -479,22 +464,6 @@
 [ $use_repository_packages ]
 analyzer/test/*: PubGetError
 
-[ $runtime == ie9 ]
-polymer: Pass, Fail, Timeout # Issue 16717
-web_components/test/interop_test: Fail, Timeout # Issue 16717
-
-# No typed_data on IE9.
-http/test/html/client_test: Fail
-http/test/html/streamed_request_test: Skip
-http/test/mock_client_test: Fail
-http/test/multipart_test: Fail
-http/test/request_test: Fail
-http/test/response_test: Fail
-oauth2/test/authorization_code_grant_test: Fail
-oauth2/test/client_test: Fail
-oauth2/test/credentials_test: Fail
-oauth2/test/handle_access_token_response_test: Fail
-
 [ $runtime == drt ]
 http/test/html/client_test: Skip # Issue 18566