Fix warnings by removing redundant dependency and imports (#45)

Remove redundant

- integers dependency
- qualified Data.Int and Data.Ratio imports

Add an entry to the CHANGELOG.

CHANGELOG.md

@@ -10,6 +10,8 @@ New features:
 
 Bugfixes:
 
+- Qualified Data.Int and Data.Ratio imports generate warnings (#44).
+
 Other improvements:
 
 ## v6.0.0

spago.dhall

@@ -1,5 +1,5 @@
 { name = "rationals"
-, dependencies = [ "integers", "js-bigints", "prelude" ]
+, dependencies = [ "js-bigints", "prelude" ]
 , license = "MIT"
 , repository = "https://github.com/purescript-contrib/purescript-rationals.git"
 , packages = ./packages.dhall

src/Data/Rational.purs

@@ -12,8 +12,6 @@ module Data.Rational
 
 import Prelude
 
-import Data.Int as Int
-import Data.Ratio (Ratio, denominator, numerator, (%))
 import Data.Ratio as Ratio
 import JS.BigInt (BigInt)
 import JS.BigInt as BigInt

test.dhall

@@ -2,6 +2,6 @@ let conf = ./spago.dhall
 
 in conf // {
   sources = conf.sources # [ "test/**/*.purs" ],
-  dependencies = conf.dependencies # [  "console", "effect", "integers", "quickcheck", "quickcheck-laws"  ]
+  dependencies = conf.dependencies # [  "console", "effect", "quickcheck", "quickcheck-laws"  ]
 }