Remove (unused) ProcessOptions in test.

pkg/intl/test/message_extraction/message_extraction_test.dart

Index: pkg/intl/test/message_extraction/message_extraction_test.dart
diff --git a/pkg/intl/test/message_extraction/message_extraction_test.dart b/pkg/intl/test/message_extraction/message_extraction_test.dart
index 24f8fc5d2ac2e9c94121c608f3a3c75a228613cc..85e032386ff35bbeb5912621baaa646f59e8fec1 100644
--- a/pkg/intl/test/message_extraction/message_extraction_test.dart
+++ b/pkg/intl/test/message_extraction/message_extraction_test.dart
@@ -103,9 +103,6 @@ Future<ProcessResult> run(ProcessResult previousResult, List<String> filenames)
       ..add(filesInTheRightDirectory.first)
       ..addAll(["--output-dir=${dir()}"])
       ..addAll(filesInTheRightDirectory.skip(1));
-  var options = new ProcessOptions()
-      ..stdoutEncoding=Encoding.UTF_8
-      ..stderrEncoding=Encoding.UTF_8;
   var result = Process.run(dart, args);
   return result;
 }
@@ -225,4 +222,4 @@ verifyResult(results) {
 //  expect("Zu den kniffligen Dinge Pluralformen");
   verify("Escapes: ");
   verify("\r\f\b\t\v.");
-}
+}