Do not vendor cookbooks using Berkshelf anymore

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

cookbooks/mysql/templates/default/apparmor/usr.sbin.mysqld-instance.erb

@@ -1,13 +0,0 @@
-/etc/<%= @mysql_name %>/*.pem r,
-/etc/<%= @mysql_name %>/conf.d/ r,
-/etc/<%= @mysql_name %>/conf.d/* r,
-/etc/<%= @mysql_name %>/my.cnf r,
-<%= @log_dir %>/ r,
-<%= @log_dir %>/* rw,
-<%= @data_dir %>/ r,
-<%= @data_dir %>/** rwk,
-<%= @run_dir %>/** rw,
-<%= @pid_file %> rw,
-<%= @socket_file %> rw,
-/tmp/<%= @mysql_name %>/ r,
-/tmp/<%= @mysql_name %>/my.sql r,