revert chef-14 inspec-core

we'd need a software defn for this and the way its built makes that
mildly annoying so revert for now.

Signed-off-by: Lamont Granquist <lamont@scriptkiddie.org>

config/software/chef.rb

@@ -96,7 +96,6 @@
       appbundle "chef", lockdir: project_dir, gem: "ohai", without: excluded_groups, env: env
     else
       # Chef < 15
-      appbundle "inspec-core", env: env
       appbundle "chef", env: env
       appbundle "ohai", env: env
     end