Provide own lzma conduit adapters

src/Main.hs

@@ -7,7 +7,6 @@ module Main
     ) where
 
 import Data.Char (isNumber)
-import Control.Applicative (Applicative(..))
 import Data.List.NonEmpty (NonEmpty(..))
 import Control.Monad.Catch (MonadThrow(..))
 import Control.Monad.IO.Class (MonadIO(..))

src/SlackBuilder/Update.hs

@@ -11,7 +11,6 @@ module SlackBuilder.Update
     , updatePackageIfRequired
     ) where
 
-import Control.Applicative (Applicative(..))
 import Control.Monad.IO.Class (MonadIO(..))
 import Control.Monad.Trans.Reader (asks)
 import qualified Data.ByteString as ByteString