Drop all obsolete versions of the Haskell Platform.
haskell-aeson: drop obsolete version 0.7.0.6
haskell-async: drop obsolete version 2.0.1.3
haskell-attoparsec: drop obsolete version 0.11.3.4
haskell-binary: drop obsolete version 0.6.1.0
haskell-Cabal: drop obsolete version 1.14.0
haskell-case-insensitive: drop obsolete version 1.1.0.3
haskell-cgi: drop obsolete versions 3001.1.7.1 3001.1.7.2, 3001.1.7.3, 3001.1.7.4, and 3001.1.8.5
haskell-convertible: drop obsolete version 1.0.11.1
haskell-deepseq: drop obsolete versions 1.1.0.0 and 1.1.0.2
haskell-editline: drop obsolete version 0.2.1.0
haskell-equivalence: drop obsolete version 0.2.3
haskell-extensible-exceptions: drop obsolete versions 0.1.1.0 0.1.1.2, 0.1.1.3, and 0.1.1.4
haskell-fgl: drop obsolete versions 5.4.2.2, 5.4.2.3, 5.4.2.4, 5.5.0.0, and 5.5.0.1
haskell-OpenGL: drop obsolete versions 2.2.1.1 2.2.3.0, 2.2.3.1, 2.4.0.2, 2.6.0.1, and 2.8.0.0
haskell-GLUT: drop obsolete versions 2.1.1.2, 2.1.2.1, 2.1.2.2, 2.2.2.1, 2.3.1.0, and 2.4.0.0
haskell-GLURaw: drop obsolete version 1.3.0.0
haskell-hashable: drop obsolete version 1.1.2.5
haskell-src: drop obsolete versions 1.0.1.3, 1.0.1.4, and 1.0.1.5.nix
alex: drop obsolete versions 2.3.1, 2.3.2, 2.3.3, 3.0.1, 3.0.2, and 3.0.5