autohelp: update the ignored modules list
autohelp: update the ignored modules list

This includes 2 glance contrib modules, and the experimental pgsql trove
modules.

Change-Id: If18946b1cda5c5742f554b0635789415a50c02b8

openstack/openstack-doc-tools,openstack/openstack-doc-tools,savinash47/openstack-doc-tools,savinash47/openstack-doc-tools,savinash47/openstack-doc-tools