Revert "Move the linter core to the analyzer package"

pkg/analysis_server/test/services/linter/linter_test.dart

Index: pkg/analysis_server/test/services/linter/linter_test.dart
diff --git a/pkg/analysis_server/test/services/linter/linter_test.dart b/pkg/analysis_server/test/services/linter/linter_test.dart
index bbe93047215183b5388dc6ff525d97bc1857785e..5ac1339213bb31cac3280990cd9fd4b78f30c915 100644
--- a/pkg/analysis_server/test/services/linter/linter_test.dart
+++ b/pkg/analysis_server/test/services/linter/linter_test.dart
@@ -9,7 +9,6 @@ import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/source/analysis_options_provider.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source.dart';
-import 'package:linter/src/rules.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
@@ -30,7 +29,6 @@ class LinterRuleOptionsValidatorTest {
   List<AnalysisError> get errors => recorder.errors;
 
   setUp() {
-    registerLintRules();
     recorder = new RecordingErrorListener();
     reporter = new ErrorReporter(recorder, new _TestSource());
   }