message: remove accidental copy-paste and unused variable
diff: @@ -418,7 +418,6 @@ void introspect_file(const char *filename) noexcept
  }
  else
  {
  - int BPVersion = 0;
  std::ifstream f(filename, std::ifstream::in | std::ifstream::binary);
  if (f)
  {
  @@ -506,7 +505,6 @@ int process_unused_args(adios2sys::CommandLineArguments &arg)
  }
  else
  {
  - return 0;
  delete[] retry_args[0];
  }
  