Replace custom field with Issue Properties as a default checklist content storage
Description
We've made checklist setup process much more easier! Since now, Smart Checklist add-on becomes operational right after installation from Jira Marketplace.
No needs to setup custom field to use basic checklist functions as long all data by default start to be stored in Jira Issue Properties.
If you still need to have some advanced features of Smart Checklist add-on - "Checklists" custom field is required.