message: (TRIVIAL) unused function filter_streams.cc (20.04)
diff: @@ -345,13 +345,6 @@ operator = (filter_ostream && other)
  namespace {
  -bool ends_with(const std::string & str, const std::string & what)
  -{
  - string::size_type result = str.rfind(what);
  - return result != string::npos
  - && result == str.size() - what.size();
  -}
  -
  void addCompression(streambuf & buf,
  boost::iostreams::filtering_ostream & stream,
  const std::string & resource,
  