Do not vendor cookbooks using Berkshelf anymore

Instead, use the Berkshelf support in knife-solo and the
vagrant-berkshelf plugin on Vagrant

cookbooks/redis/test/support/rubocop/disabled.yml

@@ -1,25 +0,0 @@
-Encoding:
-  Description: 'Use UTF-8 as the source file encoding.'
-  Enabled: false
-
-SymbolArray:
-  Description: 'Use %i or %I for arrays of symbols.'
-  Enabled: false
-
-##################### Rails ##################################
-
-DefaultScope:
-  Description: 'Checks if the argument passed to default_scope is a block.'
-  Enabled: false
-
-HasAndBelongsToMany:
-  Description: 'Prefer has_many :through to has_and_belongs_to_many.'
-  Enabled: false
-
-Output:
-  Description: 'Checks for calls to puts, print, etc.'
-  Enabled: false
-
-Validation:
-  Description: 'Use sexy validations.'
-  Enabled: false