Remove ihaskell-basic

The ihaskell-basic display package has been with us for a while, but
has no useful instances and really doesn't help anyone. We're removing
it for the time being but could get it back someday if needed.

ihaskell-display/ihaskell-basic/IHaskell/Display/Basic.hs

-{-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
-
-module IHaskell.Display.Basic () where
-
-import           IHaskell.Display
-
-import           Text.Printf
-
-instance Show a => IHaskellDisplay (Maybe a) where
-  display just = return $ Display [stringDisplay, htmlDisplay]
-    where
-      stringDisplay = plain (show just)
-      htmlDisplay = html str
-      str =
-        case just of
-          Nothing -> "<span style='color: red; font-weight: bold;'>Nothing</span>"
-          Just x -> printf
-                      "<span style='color: green; font-weight: bold;'>Just</span><span style='font-family: monospace;'>%s</span>"
-                      (show x)

ihaskell-display/ihaskell-basic/LICENSE

-The MIT License (MIT)
-
-Copyright (c) 2013 Andrew Gibiansky
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

ihaskell-display/ihaskell-basic/README.md

-IHaskell-Display
-================
-
-Instances of IHaskellDisplay for default prelude data types.

ihaskell-display/ihaskell-basic/Setup.hs

-import           Distribution.Simple
-
-main = defaultMain

ihaskell-display/ihaskell-basic/ihaskell-basic.cabal

--- Initial ihaskell-display.cabal generated by cabal init.  For further 
--- documentation, see http://haskell.org/cabal/users-guide/
-
--- The name of the package.
-name:                ihaskell-basic
-
--- The package version.  See the Haskell package versioning policy (PVP) 
--- for standards guiding when and how versions should be incremented.
--- http://www.haskell.org/haskellwiki/Package_versioning_policy
--- PVP summary:      +-+------- breaking API changes
---                   | | +----- non-breaking API additions
---                   | | | +--- code changes with no API change
-version:             0.3.0.0
-
--- A short (one-line) description of the package.
-synopsis:            IHaskell display instances for basic types
-
--- A longer description of the package.
--- description:         
-
--- URL for the project homepage or repository.
-homepage:            http://www.github.com/gibiansky/IHaskell
-
--- The license under which the package is released.
-license:             MIT
-
--- The file containing the license text.
-license-file:        LICENSE
-
--- The package author(s).
-author:              Andrew Gibiansky
-
--- An email address to which users can send suggestions, bug reports, and 
--- patches.
-maintainer:          andrew.gibiansky@gmail.com
-
--- A copyright notice.
--- copyright:           
-
-category:            Development
-
-build-type:          Simple
-
--- Extra files to be distributed with the package, such as examples or a 
--- README.
--- extra-source-files:  
-
--- Constraint on the version of Cabal needed to build this package.
-cabal-version:       >=1.16
-
-
-library
-  -- Modules exported by the library.
-  exposed-modules:     IHaskell.Display.Basic
-  
-  -- Modules included in this library but not exported.
-  -- other-modules:       
-  
-  -- Language extensions.
-  default-extensions: DoAndIfThenElse
-              OverloadedStrings
-             
-  -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <4.9,
-                       ihaskell >= 0.5
-  
-  -- Directories containing source files.
-  -- hs-source-dirs:      
-  
-  -- Base language which the package is written in.
-  default-language:    Haskell2010
-