add ability to integrate state info or not, and prevent state info integration during backtesting

freqtrade/freqai/RL/Base5ActionRLEnv.py

@@ -2,9 +2,7 @@ import logging
 from enum import Enum
 
 import numpy as np
-import pandas as pd
 from gym import spaces
-from pandas import DataFrame
 
 from freqtrade.freqai.RL.BaseEnvironment import BaseEnvironment, Positions
 
@@ -145,19 +143,6 @@ class Base5ActionRLEnv(BaseEnvironment):
 
         return observation, step_reward, self._done, info
 
-    def _get_observation(self):
-        features_window = self.signal_features[(
-            self._current_tick - self.window_size):self._current_tick]
-        features_and_state = DataFrame(np.zeros((len(features_window), 3)),
-                                       columns=['current_profit_pct', 'position', 'trade_duration'],
-                                       index=features_window.index)
-
-        features_and_state['current_profit_pct'] = self.get_unrealized_profit()
-        features_and_state['position'] = self._position.value
-        features_and_state['trade_duration'] = self.get_trade_duration()
-        features_and_state = pd.concat([features_window, features_and_state], axis=1)
-        return features_and_state
-
     def get_trade_duration(self):
         if self._last_trade_tick is None:
             return 0