Remove 'initializeTestEnvironment' from 'analysis_server'.

pkg/analysis_server/test/edit/test_all.dart

Index: pkg/analysis_server/test/edit/test_all.dart
diff --git a/pkg/analysis_server/test/edit/test_all.dart b/pkg/analysis_server/test/edit/test_all.dart
index 914d34d8e0ccc61f4dee8d85c3c3f43e809bb121..16a89edaa387d983f57d695df11bb3f770774ae3 100644
--- a/pkg/analysis_server/test/edit/test_all.dart
+++ b/pkg/analysis_server/test/edit/test_all.dart
@@ -6,7 +6,6 @@ library test.edit.all;
 
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
-import '../utils.dart';
 import 'assists_test.dart' as assists_test;
 import 'fixes_test.dart' as fixes_test;
 import 'format_test.dart' as format_test;
@@ -18,7 +17,6 @@ import 'sort_members_test.dart' as sort_members_test;
  * Utility for manually running all tests.
  */
 main() {
-  initializeTestEnvironment();
   defineReflectiveSuite(() {
     assists_test.main();
     fixes_test.main();