Remove unnecessary comments

tests/optimize/test_backtesting.py

@@ -605,9 +605,6 @@ def test_backtest_pricecontours(default_conf, fee, mocker, testdatadir) -> None:
     # TODO: Evaluate usefullness of this, the patterns and buy-signls are unrealistic
     mocker.patch('freqtrade.exchange.Exchange.get_fee', fee)
     tests = [['raise', 19], ['lower', 0], ['sine', 35]]
-    # use_sell_signal is True by default now, it will sell on the sell signal instead of ROI,
-    # which is what we need here
-#    default_conf['ask_strategy'] = {"use_sell_signal": True}
 
     for [contour, numres] in tests:
         simple_backtest(default_conf, contour, numres, mocker, testdatadir)
@@ -648,9 +645,6 @@ def test_backtest_alternate_buy_sell(default_conf, fee, mocker, testdatadir):
     mocker.patch('freqtrade.optimize.backtesting.file_dump_json', MagicMock())
     backtest_conf = _make_backtest_conf(mocker, conf=default_conf,
                                         pair='UNITTEST/BTC', datadir=testdatadir)
-    # use_sell_signal is True by default now, it will sell on the sell signal instead of ROI,
-    # which is what we need here
-#    default_conf['ask_strategy'] = {"use_sell_signal": True}
     default_conf['ticker_interval'] = '1m'
     backtesting = Backtesting(default_conf)
     backtesting.strategy.advise_buy = _trend_alternate  # Override
@@ -691,9 +685,6 @@ def _trend_alternate_hold(dataframe=None, metadata=None):
 
     # Remove data for one pair from the beginning of the data
     data[pair] = data[pair][tres:].reset_index()
-    # use_sell_signal is True by default now, it will sell on the sell signal instead of ROI,
-    # which is what we need here
-#    default_conf['ask_strategy'] = {"use_sell_signal": True}
     default_conf['ticker_interval'] = '5m'
 
     backtesting = Backtesting(default_conf)