Remove 'initializeTestEnvironment' from 'analysis_server'.

pkg/analysis_server/test/src/test_all.dart

Index: pkg/analysis_server/test/src/test_all.dart
diff --git a/pkg/analysis_server/test/src/test_all.dart b/pkg/analysis_server/test/src/test_all.dart
index f2f58e7c374f97a57642f507cd34cb914c75c457..e7df8d3e65615fc8929f273a774d5f52e9f60c38 100644
--- a/pkg/analysis_server/test/src/test_all.dart
+++ b/pkg/analysis_server/test/src/test_all.dart
@@ -6,14 +6,12 @@ library test.src;
 
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
-import '../utils.dart';
 import 'utilities/test_all.dart' as utilities_all;
 
 /**
  * Utility for manually running all tests.
  */
 main() {
-  initializeTestEnvironment();
   defineReflectiveSuite(() {
     utilities_all.main();
   }, name: 'analysis_server');