Tweaked some comments and removed skip_indexing from the create_mapping fallback
Tweaked some comments and removed skip_indexing from the create_mapping fallback

hms-dbmi/fourfront,hms-dbmi/fourfront,hms-dbmi/fourfront,4dn-dcic/fourfront,hms-dbmi/fourfront,4dn-dcic/fourfront,4dn-dcic/fourfront,4dn-dcic/fourfront,hms-dbmi/fourfront