Remove the yard doc generation task / group

If someone wants the yard docs locally they can just gem install yard and then run yard. This is way overthinking the problem and requires us to exclude the group all over the place.

Signed-off-by: Tim Smith <tsmith@chef.io>

1 files changed, 0 insertions, 4 deletions

diff --git a/Gemfile b/Gemfile
index 5aec74f83f..3c14ca8783 100644
--- a/Gemfile
+++ b/Gemfile
@@ -41,10 +41,6 @@ group(:omnibus_package, :pry) do
   gem "pry-stack_explorer"
 end
 
-group(:docgen) do
-  gem "yard"
-end
-
 # Everything except AIX
 group(:ruby_prof) do
   # ruby-prof 1.3.0 does not compile on our centos6 builders/kitchen testers