dev-haskell/cabal-1.18.1.1: drop deepseq from explicit depends

Fixes Issue #277 by Javran
Github-bug: https://github.com/gentoo-haskell/gentoo-haskell/issues/277

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
profiles/categories: add missing categories

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>