Remove the glossary2rst.py file
Remove the glossary2rst.py file

We have no more .xml glossary file so we wont use this tool

Change-Id: I6e5350203064b7a08528985847a329b87b1e3c21

openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals