Remove the nova cellsv2 meeting

This meeting is no longer particularly useful and is canceled (far) more
often than not. The team working on this has naturally settled down to
a smaller number, and communication is handled ad-hoc and as-needed.

Change-Id: I82919717eaed20158eb89494c9e12499939cfc91

meetings/nova-cells-v2-meeting.yaml

@@ -1,17 +0,0 @@
-project:  Nova Cellsv2 Meeting
-meeting_id: nova_cells
-agenda_url: https://wiki.openstack.org/wiki/Meetings/NovaCellsv2
-schedule:
-  - time:       '1700'
-    day:        Wednesday
-    irc:        openstack-meeting-3
-    frequency:  biweekly-odd
-    start_date: 20160106
-  - time:       '2100'
-    day:        Wednesday
-    irc:        openstack-meeting-3
-    frequency:  biweekly-even
-    start_date: 20160113
-chair:  Dan Smith (dansmith)
-description:  >
-  This is a weekly meeting to discuss Cells v2.