Remove the options plugin

pkg/analysis_server/lib/src/services/linter/linter.dart

Index: pkg/analysis_server/lib/src/services/linter/linter.dart
diff --git a/pkg/analysis_server/lib/src/services/linter/linter.dart b/pkg/analysis_server/lib/src/services/linter/linter.dart
deleted file mode 100644
index 89dd0c849da979dddf42d8692522796735f35c96..0000000000000000000000000000000000000000
--- a/pkg/analysis_server/lib/src/services/linter/linter.dart
+++ /dev/null
@@ -1,52 +0,0 @@
-// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-library services.src.linter;
-
-import 'package:analyzer/analyzer.dart';
-import 'package:analyzer/plugin/options.dart';
-import 'package:analyzer/src/lint/registry.dart';
-import 'package:yaml/yaml.dart';
-
-/**
- * An error code indicating an undefined lint rule.
- *
- * Parameters:
- * 0: the rule name
- */
-const AnalysisOptionsWarningCode UNDEFINED_LINT_WARNING =
-    const AnalysisOptionsWarningCode(
-        'UNDEFINED_LINT_WARNING', "'{0}' is not a recognized lint rule");
-
-/// Validates `linter` rule configurations.
-class LinterRuleOptionsValidator extends OptionsValidator {
-  static const linter = 'linter';
-  static const rulesKey = 'rules';
-  @override
-  List<AnalysisError> validate(
-      ErrorReporter reporter, Map<String, YamlNode> options) {
-    List<AnalysisError> errors = <AnalysisError>[];
-    var node = options[linter];
-    if (node is YamlMap) {
-      var rules = node.nodes[rulesKey];
-      validateRules(rules, reporter);
-    }
-    return errors;
-  }
-
-  validateRules(dynamic rules, ErrorReporter reporter) {
-    if (rules is YamlList) {
-      //TODO(pq): migrate this to a proper API once there is one.
-      Iterable<String> registeredLints =
-          Registry.ruleRegistry.map((r) => r.name);
-      rules.nodes.forEach((YamlNode ruleNode) {
-        Object value = ruleNode.value;
-        if (value != null && !registeredLints.contains(value)) {
-          reporter.reportErrorForSpan(
-              UNDEFINED_LINT_WARNING, ruleNode.span, [value]);
-        }
-      });
-    }
-  }
-}