Analyzer code cleanup.

pkg/analyzer/lib/src/generated/incremental_resolver.dart

 // 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 engine.incremental_resolver;
 
 import 'dart:collection';
 import 'dart:math' as math;
 
 import 'package:analyzer/src/context/cache.dart'
     show CacheEntry, TargetedResult;
 import 'package:analyzer/src/generated/constant.dart';
-import 'package:analyzer/src/services/lint.dart';
 import 'package:analyzer/src/task/dart.dart'
     show
         HINTS,
         PARSE_ERRORS,
         RESOLVE_REFERENCES_ERRORS,
         RESOLVE_TYPE_NAMES_ERRORS,
         SCAN_ERRORS,
         USED_IMPORTED_ELEMENTS,
         USED_LOCAL_ELEMENTS,
         VARIABLE_REFERENCE_ERRORS,
@@ skipping 1957 matching lines @@
   @override
   String toString() => name;
 }
 
 class _TokenPair {
   final _TokenDifferenceKind kind;
   final Token oldToken;
   final Token newToken;
   _TokenPair(this.kind, this.oldToken, this.newToken);
 }