[inspect][dart] Remove accidentally checked in file.

Change-Id: Ib047e8fbf15e2fad2171f0a05e80d5bf524065ae
diff --git a/public/dart/fuchsia_inspect/foo b/public/dart/fuchsia_inspect/foo
deleted file mode 100644
index f193c72..0000000
--- a/public/dart/fuchsia_inspect/foo
+++ /dev/null
@@ -1,68 +0,0 @@
-// Copyright 2019 The Fuchsia Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'dart:typed_data';
-import 'package:zircon/zircon.dart';
-
-/// Holder for a VMO with read/write capability.
-class VmoHolder {
-  int _size;
-  Vmo _vmo;
-
-  /// Creates and holds a VMO of desired size.
-  VmoHolder(this._size) {
-    HandleResult result = System.vmoCreate(_size);
-    if (result.status != ZX.OK) {
-      throw new ZxStatusException(
-          result.status, getStringForStatus(result.status));
-    }
-    _vmo = Vmo(result.handle);
-  }
-
-  /// Starts an update.
-  void beginWork() {}
-
-  //// Finishes an update
-  void commit() {}
-
-  /// Writes data to VMO at byte offset (not index).
-  ///
-  /// Data will be visible to other processes by end of next commit().
-  void write(int offset, ByteData data) {
-    int status = _vmo.write(data, offset);
-    if (status != ZX.OK) {
-      throw new ZxStatusException(status, getStringForStatus(status));
-    }
-  }
-
-  /// Reads data from VMO at byte offset (not index).
-  ByteData read(int offset, int size) {
-    ReadResult result = _vmo.read(size, offset);
-    if (result.status != ZX.OK) {
-      throw new ZxStatusException(
-          result.status, getStringForStatus(result.status));
-    }
-    return result.bytes;
-  }
-
-  /// Writes int64 to VMO.
-  ///
-  /// Data will be visible to other processes by end of next commit().
-  void writeInt64(int offset, int value) {
-    var data = ByteData(8)..setInt64(0, value, Endian.little);
-    write(offset, data);
-  }
-
-  /// Writes int64 directly to VMO for immediate visibility.
-  void writeInt64Direct(int offset, int value) {
-    var data = ByteData(8)..setInt64(0, value, Endian.little);
-    write(offset, data);
-  }
-
-  /// Reads int64 from VMO.
-  int readInt64(int offset) {
-    ByteData data = read(8, offset);
-    return data.getInt64(0, Endian.little);
-  }
-}