Minor updates

.changes/20270801_updates.yml

@@ -0,0 +1,6 @@
+project: cardano-api
+pr: 1275
+kind:
+  - maintenance
+description: |
+  Minor updates including updating index-states and removing redundant orphan instances

cabal.project

@@ -13,8 +13,8 @@ repository cardano-haskell-packages
 -- See CONTRIBUTING for information about these, including some Nix commands
 -- you need to run if you change them
 index-state:
-  , hackage.haskell.org 2026-07-01T00:33:51Z
-  , cardano-haskell-packages 2026-06-29T12:05:19Z
+  , hackage.haskell.org 2026-08-02T17:21:34Z
+  , cardano-haskell-packages 2026-08-01T07:19:24Z
 
 active-repositories:
   , :rest
@@ -155,8 +155,6 @@ if impl(ghc >=9.14)
     , grapesy:tls
     , grpc-spec:base
     , grpc-spec:containers
-    , hedgehog-quickcheck:QuickCheck
-    , http2-tls:tls
     , lens-family:containers
     , lens-family-core:containers
     , lsm-tree:data-elevator

cardano-api/src/Cardano/Api/Internal/Orphans/Serialisation.hs

@@ -213,12 +213,6 @@ deriving anyclass instance ToJSON L.VotingPeriod
 
 deriving anyclass instance ToJSON L.Withdrawals
 
-instance (ToJSONKey k, ToJSON v) => ToJSON (NonEmptyMap k v) where
-  toJSON = toJSON . NonEmptyMap.toMap
-
-instance ToJSON v => ToJSON (NonEmptySet v) where
-  toJSON = toJSON . NonEmptySet.toSet
-
 deriving anyclass instance
   ( ToJSON (L.PredicateFailure (L.EraRule "UTXOW" ledgerera))
   , ToJSON (L.PredicateFailure (L.EraRule "DELEGS" ledgerera))