Fix/remove a couple of broken links on Hackage

Cabal/ChangeLog.md

-# 3.8.0.20220526 a pre-release [Mikolaj Konarski](mikolaj@well-typed.com) May 2022
-	* See https://github.com/haskell/cabal/blob/master/release-notes/Cabal-3.8.0.20220526.md
+# 3.8.0.20220526 a pre-release; [Mikolaj Konarski](mikolaj@well-typed.com) May 2022
+  * See https://github.com/haskell/cabal/blob/master/release-notes/Cabal-3.8.0.20220526.md
 
 # 3.6.3.0 March 2022
   * See https://github.com/haskell/cabal/blob/master/release-notes/Cabal-3.6.3.0.md

cabal-install/README.md

@@ -4,10 +4,9 @@ The cabal-install package
 See the [Cabal web site] for more information.
 
 The `cabal-install` package provides a command line tool named `cabal`.
-It uses the [Cabal] library and provides a user interface to the
-Cabal/[Hackage] build automation and package management system. It can
+It uses the Cabal library and provides a user interface to the
+Cabal/Hackage build automation and package management system. It can
 build and install both local and remote packages, including
 dependencies.
 
 [Cabal web site]: http://www.haskell.org/cabal/
-[Cabal]: ../Cabal/README.md