Remove the --no-error-notification flag.

pkg/analysis_server/test/integration/integration_tests.dart

Index: pkg/analysis_server/test/integration/integration_tests.dart
diff --git a/pkg/analysis_server/test/integration/integration_tests.dart b/pkg/analysis_server/test/integration/integration_tests.dart
index ebd6ff8d501d678acb37f3ccd56adf6208f1077f..7f9265c2b978e92d1a0f6229764c0a2042b7e7a6 100644
--- a/pkg/analysis_server/test/integration/integration_tests.dart
+++ b/pkg/analysis_server/test/integration/integration_tests.dart
@@ -660,7 +660,6 @@ class Server {
       {bool checked: true,
       int diagnosticPort,
       bool enableNewAnalysisDriver: false,
-      bool noErrorNotification: false,
       bool profileServer: false,
       String sdkPath,
       int servicesPort,
@@ -716,9 +715,6 @@ class Server {
     if (!enableNewAnalysisDriver) {
       arguments.add('--disable-new-analysis-driver');
     }
-    if (noErrorNotification) {
-      arguments.add('--no-error-notification');
-    }
 //    print('Launching $serverPath');
 //    print('$dartBinary ${arguments.join(' ')}');
     // TODO(devoncarew): We could experiment with instead launching the analysis