(CAT-2128) Remove json_pure dependency from the PDK runtime

This was originally added to ensure JSON would be available in all environments but should no longer necessary as JSON has been added as a default ruby gem.

Author: david22swan

configs/components/rubygem-json_pure.rb

@@ -97,7 +97,6 @@
 
 # Other deps
 proj.component 'rubygem-deep_merge'
-proj.component 'rubygem-json_pure'
 proj.component 'rubygem-diff-lcs'
 proj.component 'rubygem-pathspec'
 proj.component 'rubygem-puppet_forge'