Use standard FreeT instead of applicative

Author: Manuel Bärenz

src/Control/Monad/Bayes/Class.hs

@@ -81,7 +81,7 @@ import Control.Monad.Except (ExceptT, lift)
 import Control.Monad.Identity (IdentityT)
 import Control.Monad.Reader (ReaderT)
 import Control.Monad.State (StateT)
-import Control.Monad.Trans.Free.Ap (FreeT)
+import Control.Monad.Trans.Free (FreeT)
 import Control.Monad.Writer (WriterT)
 import Data.Histogram qualified as H
 import Data.Histogram.Fill qualified as H

src/Control/Monad/Bayes/Population.hs

@@ -56,7 +56,7 @@ import Control.Monad.Bayes.Weighted
 import Control.Monad.Bayes.Weighted qualified as Weighted
 import Control.Monad.IO.Class
 import Control.Monad.Trans
-import Control.Monad.Trans.Free.Ap
+import Control.Monad.Trans.Free
 import Data.List (unfoldr)
 import Data.List qualified
 import Data.Maybe (catMaybes)