Remove Cocktail casks as this is now handled using conditionals in main

cask repository

Casks/cocktail-lion.rb

@@ -1,10 +0,0 @@
-class CocktailLion < Cask
-  version '5.6'
-  sha256 'd2c72042bfc8ce6948667b2eb23a95114be753346288d2e476dcca1c28dbf79a'
-
-  url 'http://usa.maintain.se/CocktailLionEdition.dmg'
-  homepage 'http://maintain.se/cocktail'
-  license :unknown
-
-  app 'Cocktail.app'
-end

Casks/cocktail-mountainlion.rb

@@ -1,10 +0,0 @@
-class CocktailMountainlion < Cask
-  version :latest
-  sha256 :no_check
-
-  url 'http://usa.maintain.se/CocktailMLE.dmg'
-  homepage 'http://maintain.se/cocktail'
-  license :unknown
-
-  app 'Cocktail.app'
-end

Casks/cocktail-snowleopard.rb

@@ -1,10 +0,0 @@
-class CocktailSnowleopard < Cask
-  version '5.1'
-  sha256 '0ade6b2aaa871fcafd143ebad228cd0ec471bbe43775d25e9277977d1b07fb77'
-
-  url 'http://usa.maintain.se/CocktailSLE.dmg'
-  homepage 'http://maintain.se/cocktail'
-  license :unknown
-
-  app 'Cocktail.app'
-end