Remove 'initializeTestEnvironment' from 'analyzer'.

pkg/analyzer/test/generated/element_resolver_test.dart

Index: pkg/analyzer/test/generated/element_resolver_test.dart
diff --git a/pkg/analyzer/test/generated/element_resolver_test.dart b/pkg/analyzer/test/generated/element_resolver_test.dart
index 544b6a4ab7ffab44dd011a5a9c8b73a7471aadaa..90acbe90512becf864cbda01f0c6269478ff4f32 100644
--- a/pkg/analyzer/test/generated/element_resolver_test.dart
+++ b/pkg/analyzer/test/generated/element_resolver_test.dart
@@ -21,13 +21,11 @@ import 'package:analyzer/src/source/source_resource.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
-import '../utils.dart';
 import 'analysis_context_factory.dart';
 import 'resolver_test_case.dart';
 import 'test_support.dart';
 
 main() {
-  initializeTestEnvironment();
   defineReflectiveSuite(() {
     defineReflectiveTests(ElementResolverCodeTest);
     defineReflectiveTests(ElementResolverTest);