Remove Generic instance from BoundedRatio type

Author: f-f

libs/cardano-ledger-core/CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## 1.19.0.0
 
+* Remove `Generic` instance from `BoundedRatio` type
 * Remove deprecated function `addrPtrNormalize`
 * Remove deprecated functions `mkTxIx`, `mkCertIx`, `hashAnchorData`
 * Remove deprecated functions `bheader`, `bbody`

libs/cardano-ledger-core/src/Cardano/Ledger/BaseTypes.hs

@@ -258,7 +258,7 @@ integralToBounded i
 -- interval that is controlled by phantom type variable @b@ as well as by
 -- the bounds of underlying type @a@.
 newtype BoundedRatio b a = BoundedRatio (Ratio a)
-  deriving (Eq, Generic)
+  deriving (Eq)
   deriving newtype (Show, NoThunks, NFData)
 
 -- Deriving Ord instance can lead to integer overflow. We must go through Rational.