Noissue - Cleanup. Remove last remnants of old thread code.

test/DefaultFileSystem.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <sstream>
-#include <AdblockPlus.h>
 #include <gtest/gtest.h>
-
 #include "BaseJsTest.h"
 
 using AdblockPlus::IFileSystem;
 using AdblockPlus::FileSystemPtr;
 using AdblockPlus::SchedulerTask;
 
 namespace
 {
   const std::string testFileName = "libadblockplus-t\xc3\xa4st-file";
 
@@ skipping 142 matching lines @@
   fileSystem->Stat(newTestFileName, [&hasStatRemovedFileRun](const IFileSystem::StatResult& result, const std::string& error)
   {
     EXPECT_TRUE(error.empty());
     ASSERT_FALSE(result.exists);
     hasStatRemovedFileRun = true;
   });
   EXPECT_FALSE(hasStatRemovedFileRun);
   PumpTask();
   EXPECT_TRUE(hasStatRemovedFileRun);
 }