Switch to foldl' from Data.Foldable

This import is better supported across base versions

Author: ch1bo

cardano-crypto-leios/src/Cardano/Crypto/Leios.hs

@@ -44,8 +44,7 @@ import qualified Data.ByteString as BS
 import Data.ByteString.Short (ShortByteString (SBS))
 import qualified Data.ByteString.Short as SBS
 import Data.Data (Proxy (..))
-import Data.Foldable (foldlM)
-import Data.List (foldl')
+import Data.Foldable (foldl', foldlM)
 import Data.Map.Strict (Map)
 import qualified Data.Map.Strict as Map
 import Data.Set (Set)