Remove redundant Other Changes header

Fixes #10685

Author: mpickering

release-notes/Cabal-3.14.0.0.md

@@ -88,8 +88,6 @@ Cabal and Cabal-syntax 3.14.0.0 changelog and release notes
 - Add `OrPatterns` extension (GHC proposal #958) [#10339](https://github.com/haskell/cabal/pull/10339)
 
 
-### Other changes
-
 - Add flag `--ignore-build-tools` [#10128](https://github.com/haskell/cabal/pull/10128)
 
   - Adds flag `--ignore-build-tools` which allows a user to ignore the tool