fix: remove unnecessary kraken workaround

fixes "list-pairs" command for kraken.

Author: xmatthias

freqtrade/exchange/kraken.py

@@ -49,18 +49,6 @@ def market_is_tradable(self, market: dict[str, Any]) -> bool:
 
         return parent_check and market.get("darkpool", False) is False
 
-    def get_tickers(
-        self,
-        symbols: list[str] | None = None,
-        *,
-        cached: bool = False,
-        market_type: TradingMode | None = None,
-    ) -> Tickers:
-        # Only fetch tickers for current stake currency
-        # Otherwise the request for kraken becomes too large.
-        symbols = list(self.get_markets(quote_currencies=[self._config["stake_currency"]]))
-        return super().get_tickers(symbols=symbols, cached=cached, market_type=market_type)
-
     def consolidate_balances(self, balances: CcxtBalances) -> CcxtBalances:
         """
         Consolidate balances for the same currency.