remove last ticker_interval compatibility shim

freqtrade/resolvers/strategy_resolver.py

@@ -45,14 +45,6 @@ class StrategyResolver(IResolver):
             strategy_name, config=config,
             extra_dir=config.get('strategy_path'))
 
-        if hasattr(strategy, 'ticker_interval') and not hasattr(strategy, 'timeframe'):
-            # Assign ticker_interval to timeframe to keep compatibility
-            if 'timeframe' not in config:
-                logger.warning(
-                    "DEPRECATED: Please migrate to using 'timeframe' instead of 'ticker_interval'."
-                )
-                strategy.timeframe = strategy.ticker_interval
-
         if strategy._ft_params_from_file:
             # Set parameters from Hyperopt results file
             params = strategy._ft_params_from_file

tests/strategy/strats/legacy_strategy_v1.py

@@ -31,9 +31,7 @@ class TestStrategyLegacyV1(IStrategy):
     # This attribute will be overridden if the config file contains "stoploss"
     stoploss = -0.10
 
-    # Optimal timeframe for the strategy
-    # Keep the legacy value here to test compatibility
-    ticker_interval = '5m'
+    timeframe = '5m'
 
     def populate_indicators(self, dataframe: DataFrame) -> DataFrame:
         """

tests/strategy/test_strategy_loading.py

@@ -388,9 +388,6 @@ def test_call_deprecated_function(result, monkeypatch, default_conf, caplog):
     assert isinstance(selldf, DataFrame)
     assert 'sell' in selldf
 
-    assert log_has("DEPRECATED: Please migrate to using 'timeframe' instead of 'ticker_interval'.",
-                   caplog)
-
 
 def test_strategy_interface_versioning(result, monkeypatch, default_conf):
     default_conf.update({'strategy': 'StrategyTestV2'})