Use correct default value and remove unnecessary dependency in QuerySpec

Author: teodanciu

libs/cardano-ledger-api/cardano-ledger-api.cabal

@@ -112,7 +112,6 @@ test-suite cardano-ledger-api-test
         bytestring,
         cardano-ledger-api,
         cardano-ledger-byron,
-        data-default,
         data-default-class,
         testlib,
         cardano-crypto-class,

libs/cardano-ledger-api/test/Test/Cardano/Ledger/Api/State/Imp/QuerySpec.hs

@@ -32,7 +32,7 @@ import Cardano.Ledger.DRep
 import Cardano.Ledger.Keys (KeyRole (..))
 import qualified Cardano.Ledger.Shelley.HardForks as HF
 import Cardano.Ledger.Shelley.LedgerState
-import Data.Default (def)
+import Data.Default.Class (def)
 import Data.Foldable (Foldable (..))
 import qualified Data.Map.Strict as Map
 import qualified Data.Set as Set