These are ghc-8.4-bundled packages, removing to avoid build
conflicts.

* gnu/packages/haskell.scm (ghc-parsec, ghc-stm, ghc-text): Remove.
* gnu/packages/haskell-web.scm (ghc-xhtml): Remove.
* gnu/packages/agda.scm (agda)[inputs]: Remove ghc-stm and ghc-text.
* gnu/packages/bioinformatics.scm (ngless)[inputs]: Remove ghc-parsec and
ghc-text.
* gnu/packages/haskell-apps.scm (darcs)[inputs]: Remove ghc-parsec.
(git-annex)[inputs]: Remove ghc-stm and ghc-text.
(ghc-sdl2)[inputs]: Remove ghc-text.
(ghc-sdl2-image)[inputs]: Remove ghc-text.
* gnu/packages/haskell-check.scm (ghc-tasty-ant-xml)[inputs]: Remove ghc-stm.
(ghc-tasty)[inputs]: Remove ghc-stm.
(ghc-tasty-rerun)[inputs]: Same.
(ghc-quickcheck-instances)[inputs]: Remove ghc-text.
(ghc-hedgehog)[inputs]: Remove ghc-stm.
* gnu/packages/haskell-crypto.scm (ghc-asn1-encoding)[inputs]: Remove
ghc-text.
* gnu/packages/haskell-web.scm (ghc-tagsoup)[inputs]: Remove ghc-text.
(ghc-cookie)[inputs]: Same.
(ghc-http-types)[inputs]: Same.
(ghc-http)[inputs]: Remove ghc-parsec.
(ghc-http-client)[inputs]: Remove ghc-text.
(ghc-http2)[inputs]: Remove ghc-stm.
(ghc-http-conduit)[native-inputs]: Remove ghc-text.
(ghc-wai)[inputs]: Same.
(ghc-wai-extra)[inputs]: Same.
(ghc-warp)[inputs]: Remove ghc-stm and ghc-text.
(ghc-xss-sanitize)[native-inputs]: Remove ghc-text.
(ghc-css-text)[inputs]: Same.
(ghc-mime-types)[inputs]: Same.
(ghc-blaze-html)[inputs]: Same.
(ghc-aeson)[inputs]: Same.
(ghc-aeson-pretty)[inputs]: Same.
(ghc-aeson-qq)[inputs]: Remove ghc-text and ghc-parsec.
(ghc-multipart)[inputs]: Remove ghc-parsec.
(ghc-uri-encode)[inputs]: Remove ghc-text.
(ghc-path-pieces)[inputs]: Same.
(ghc-yesod-core)[inputs]: Remove ghc-text and ghc-parsec.
(ghc-yesod-persistent)[inputs]: Remove ghc-text.
(ghc-yesod-form)[inputs]: Same.
(ghc-yesod)[inputs]: Same.
(ghc-hxt-regex-xmlschema)[inputs]: Remove ghc-parsec and ghc-text.
(ghc-hxt)[inputs]: Remove ghc-parsec.
* gnu/packages/haskell.scm (ghc-convertible)[inputs]: Remove ghc-text.
(ghc-double-conversion)[inputs]: Same.
(ghc-tree-diff)[inputs]: Remove ghc-parsec and ghc-text.
[native-inputs]: Remove ghc-parsec.
(ghc-cgi)[inputs]: Remove ghc-parsec.
(hlint)[inputs]: Remove ghc-text.
(ghc-openglraw)[inputs]: Remove ghc-text.
(ghc-opengl)[inputs]: Same.
(ghc-streaming-commons)[inputs]: Remove ghc-stm and ghc-text.
(ghc-hackage-security)[inputs]: Remove ghc-parsec.
(cabal-install)[inputs]: Remove ghc-stm.
(ghc-parsec-numbers)[inputs]: Remove ghc-parsec.
(ghc-safesemaphore)[inputs]: Remove ghc-stm.
(ghc-text-binary)[inputs]: Remove ghc-text.
(ghc-hashable)[inputs]: Remove ghc-text.
(ghc-transformers-base)[inputs]: Remove ghc-stm.
(ghc-indents)[inputs]: Remove ghc-parsec.
(ghc-regex-tdfa-rc)[inputs]: Same.
(ghc-regex-tdfa-text)[inputs]: Same.
(ghc-regex)[inputs]: Remove ghc-text.
(ghc-parsers)[inputs]: Remove ghc-parsec and ghc-text.
(ghc-attoparsec)[inputs]: Remove ghc-text.
(ghc-attoparsec-bootstrap)[inputs]: Same.
(ghc-zip-archive)[inputs]: Same.
(ghc-polyparse)[inputs]: Same.
(ghc-reducers)[inputs]: Same.
(ghc-xml)[inputs]: Same.
(ghc-feed)[inputs]: Same.
(ghc-exceptions)[inputs]: Remove ghc-stm.
(ghc-case-insensitive)[inputs]: Remove ghc-text.
(ghc-megaparsec)[inputs]: Same.
(ghc-network-uri)[inputs]: Remove ghc-parsec.
(ghc-monad-control)[inputs]: Remove ghc-stm.
(ghc-blaze-builder)[inputs]: Remove ghc-text.
(ghc-blaze-markup)[inputs]: Same.
(ghc-async)[inputs]: Remove ghc-stm.
(ghc-invariant)[inputs]: Same.
(ghc-statevar)[inputs]: Same.
(ghc-lens)[inputs]: Remove ghc-text.
(ghc-cheapskate)[inputs]: Same.
(ghc-semigroups)[inputs]: Same.
(ghc-semigroups-bootstrap)[inputs]: Same.
(ghc-fast-logger)[inputs]: Same.
(ghc-scientific)[inputs]: Same.
(ghc-scientific-bootstrap)[inputs]: Same.
(ghc-texmath)[inputs]: Remove ghc-parsec.
(ghc-highlighting-kate)[inputs]: Same.
(ghc-cmark)[inputs]: Remove ghc-text.
(ghc-cmark-gfm)[inputs]: Same.
(ghc-th-lift-instances)[inputs]: Same.
(ghc-yaml)[inputs]: Same.
(ghc-hslua)[inputs]: Same.
(ghc-hslua-module-text)[inputs]: Same.
(ghc-skylighting-core)[inputs]: Same.
(ghc-doctemplates)[inputs]: Remove ghc-text and ghc-parsec.
(ghc-pandoc)[inputs]: Same.
(ghc-typed-process)[inputs]: Remove ghc-stm.
(ghc-conduit-extra)[inputs]: Remove ghc-stm and ghc-text.
(ghc-xml-types)[inputs]: Remove ghc-text.
(ghc-xml-conduit)[inputs]: Same.
(ghc-pandoc-citeproc)[inputs]: Remove ghc-text and ghc-parsec.
(ghc-regex-tdfa)[inputs]: Remove ghc-parsec.
(ghc-wl-pprint-text)[inputs]: Remove ghc-text.
(ghc-graphviz)[inputs]: Same.
(ghc-system-filepath-bootstrap)[inputs]: Same.
(ghc-system-fileio-bootstrap)[inputs]: Same.
(ghc-shelly)[inputs]: Same.
(ghc-chell)[inputs]: Same.
(ghc-system-filepath)[inputs]: Same.
(ghc-system-fileio)[inputs]: Same.
(ghc-fsnotify)[inputs]: Same.
(ghc-json)[inputs]: Remove ghc-text and ghc-parsec.
(ghc-esqueleto)[inputs]: Remove ghc-text.
(shellcheck)[inputs]: Remove ghc-parsec.
(ghc-errors)[inputs]: Remove ghc-text.
(ghc-chunked-data)[inputs]: Same.
(ghc-uuid-types)[inputs]: Same.
(ghc-uuid)[inputs]: Same.
(ghc-rebase)[inputs]: Remove ghc-stm and ghc-text.
(ghc-foldl)[inputs]: Remove ghc-text.
(ghc-mono-traversable)[inputs]: Same.
(ghc-conduit-combinators)[inputs]: Same.
(ghc-aws)[inputs]: Same.
(ghc-stm-chans)[inputs]: Remove ghc-stm.
(ghc-monad-logger)[inputs]: Remove ghc-text and ghc-stm.
(ghc-shakespeare)[inputs]: Remove ghc-parsec and ghc-text.
(ghc-resource-pool)[inputs]: Remove ghc-stm.
(ghc-attoparsec-iso8601)[inputs]: Remove ghc-text.
(ghc-http-api-data)[inputs]: Same.
(ghc-persistent)[inputs]: Same.
(ghc-aeson-compat)[inputs]: Same.
(ghc-persistent-template)[inputs]: Same.
(ghc-unliftio)[inputs]: Remove ghc-stm.
(ghc-persistent-sqlite)[native-inputs]: Remove ghc-text.
(ghc-bytes)[inputs]: Same.
(ghc-missingh)[inputs]: Remove ghc-parsec.
(ghc-rio)[inputs]: Remove ghc-text.
(ghc-cairo)[inputs]: Same.
(ghc-atomic-write)[inputs]: Remove ghc-text.
[native-inputs]: Same.
(ghc-stm-conduit)[inputs]: Remove ghc-stm.
(ghc-conduit-algorithms)[inputs]: Same.
(ghc-interpolate)[native-inputs]: Remove ghc-text.
(ghc-hpack)[inputs]: Same.
(ghc-inline-c)[inputs]: Remove ghc-parsec.
(ghc-configurator)[inputs]: Remove ghc-text.
(ghc-c2hs)[native-inputs]: Same.
(ghc-libmpd)[inputs]: Same.
(ghc-concurrent-output)[inputs]: Remove ghc-stm.
* gnu/packages/idris.scm (idris)[inputs]: Remove ghc-text.
* gnu/packages/wm.scm (xmobar)[inputs]: Remove ghc-parsec and ghc-stm.

Signed-off-by: Ricardo Wurmus <rekado@elephly.net>