use template haskell aeson, not generics

this has been bothering me for MONTHS, and it compiles faster now. also fixed some warnings

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/Util.hs b/lib/Util.hs
index 93060aa..5ec1b12 100644
--- a/lib/Util.hs
+++ b/lib/Util.hs
@@ -15,8 +15,8 @@ import           Universum
 import           Data.Aeson as Aeson
 import qualified Data.Set   as S
 import qualified Data.Text  as T
-import           Data.Tiled (Layer (layerData), PropertyValue (..),
-                             Tileset (tilesetName), layerName, mkTiledId)
+import           Data.Tiled (Layer, PropertyValue (..),
+                             Tileset (tilesetName), layerName)
 
 -- | helper function to create proxies
 mkProxy :: a -> Proxy a