Remove some outdated TODO's

freqtrade/data/btanalysis.py

@@ -193,14 +193,7 @@ def find_existing_backtest_stats(dirname: Union[Path, str], run_ids: Dict[str, s
                 continue
 
             if min_backtest_date is not None:
-                try:
-                    backtest_date = strategy_metadata['backtest_start_time']
-                except KeyError:
-                    # TODO: this can be removed starting from feb 2022
-                    # The metadata-file without start_time was only available in develop
-                    # and was never included in an official release.
-                    # Older metadata format without backtest time, too old to consider.
-                    return results
+                backtest_date = strategy_metadata['backtest_start_time']
                 backtest_date = datetime.fromtimestamp(backtest_date, tz=timezone.utc)
                 if backtest_date < min_backtest_date:
                     # Do not use a cached result for this strategy as first result is too old.