Remove useless .cabal file

pandoc-boilerplate.cabal

@@ -1,25 +0,0 @@
--- Initial pandoc-boilerplate.cabal generated by cabal init.  For further 
--- documentation, see http://haskell.org/cabal/users-guide/
-
-name:                pandoc-boilerplate
-version:             0.1.0.0
--- synopsis:
--- description:         
-homepage:            https://github.com/Phyks/pandoc_boilerplate
-license:             Beerware
-license-file:        LICENSE
-author:              Martin Pépin
-maintainer:          martin.pepin@netcourrier.com
--- copyright:           
--- category:            
-build-type:          Simple
-extra-source-files: 
-cabal-version:       >=1.10
-
-library
-  -- exposed-modules:     
-  -- other-modules:       
-  -- other-extensions:    
-  build-depends:       pandoc, regex-compat, base >=4.6 && <4.7
-  -- hs-source-dirs:      
-  default-language:    Haskell2010