message: [terminal] Sequencer: Code cleanup.
diff: @@ -617,35 +617,6 @@ namespace impl // {{{ some command generator helpers
  return ApplyResult::Ok;
  }
  - ApplyResult DECRQSS(Sequence const& _seq, Screen& _screen)
  - {
  - auto const s = [](std::string const& _dataString) -> optional<RequestStatusString> {
  - auto const mappings = std::array<std::pair<std::string_view, RequestStatusString>, 9>{
  - pair{"m", RequestStatusString::SGR},
  - pair{"\"p", RequestStatusString::DECSCL},
  - pair{" q", RequestStatusString::DECSCUSR},
  - pair{"\"q", RequestStatusString::DECSCA},
  - pair{"r", RequestStatusString::DECSTBM},
  - pair{"s", RequestStatusString::DECSLRM},
  - pair{"t", RequestStatusString::DECSLPP},
  - pair{"$|", RequestStatusString::DECSCPP},
  - pair{"*|", RequestStatusString::DECSNLS}
  - };
  - for (auto const& mapping : mappings)
  - if (_dataString == mapping.first)
  - return mapping.second;
  - return nullopt;
  - }(_seq.dataString());
  -
  - if (s.has_value())
  - {
  - _screen.requestStatusString(s.value());
  - return ApplyResult::Ok;
  - }
  - else
  - return ApplyResult::Invalid;
  - }
  -
  ApplyResult saveDECModes(Sequence const& _seq, Screen& _screen)
  {
  vector<DECMode> modes;
  