remove generated_sdk from checked in code

test/generated_sdk/lib/convert/line_splitter.dart

-// Copyright (c) 2013, 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.
-
-part of dart.convert;
-
-/**
- * This class splits [String] values into individual lines.
- */
-class LineSplitter extends Converter<String, List<String>> {
-
-  const LineSplitter();
-
-  List<String> convert(String data) {
-    var lines = new List<String>();
-
-    _LineSplitterSink._addSlice(data, 0, data.length, true, lines.add);
-
-    return lines;
-  }
-
-  StringConversionSink startChunkedConversion(Sink<dynamic> sink) {
-    if (sink is! StringConversionSink) {
-      sink = new StringConversionSink.from(sink);
-    }
-    return new _LineSplitterSink(sink);
-  }
-}
-
-// TODO(floitsch): deal with utf8.
-class _LineSplitterSink extends StringConversionSinkBase {
-  static const int _LF = 10;
-  static const int _CR = 13;
-
-  final StringConversionSink _sink;
-
-  String _carry;
-
-  _LineSplitterSink(this._sink);
-
-  void addSlice(String chunk, int start, int end, bool isLast) {
-    if (_carry != null) {
-      chunk = _carry + chunk.substring(start, end);
-      start = 0;
-      end = chunk.length;
-      _carry = null;
-    }
-    _carry = _addSlice(chunk, start, end, isLast, _sink.add);
-    if (isLast) _sink.close();
-  }
-
-  void close() {
-    addSlice('', 0, 0, true);
-  }
-
-  static String _addSlice(String chunk, int start, int end, bool isLast,
-                          void adder(String val)) {
-
-    int pos = start;
-    while (pos < end) {
-      int skip = 0;
-      int char = chunk.codeUnitAt(pos);
-      if (char == _LF) {
-        skip = 1;
-      } else if (char == _CR) {
-        skip = 1;
-        if (pos + 1 < end) {
-          if (chunk.codeUnitAt(pos + 1) == _LF) {
-            skip = 2;
-          }
-        } else if (!isLast) {
-          return chunk.substring(start, end);
-        }
-      }
-      if (skip > 0) {
-        adder(chunk.substring(start, pos));
-        start = pos = pos + skip;
-      } else {
-        pos++;
-      }
-    }
-    if (pos != start) {
-      var carry = chunk.substring(start, pos);
-      if (isLast) {
-        // Add remaining
-        adder(carry);
-      } else {
-        return carry;
-      }
-    }
-    return null;
-  }
-}