fixing #8491 - removing puppet modules list from content view version api

This takes the CVV index api from ~5 minutes down to 17 seconds
for 47 content view versions, 10 having 100 puppet modules, the rest having
5
I am not aware of us having a set in stone API policy, but this does introduce a change from 2.0 to 2.1 in the API response for this particular resource.