Sean Dague 353c4f1240 remove additional f18 references
f18 has been EOL for 6 weeks now, time to purge it from devstack

Change-Id: I5aac2c63b2f4cd8b01ae685b1acf4c188637558b
2014-03-10 08:44:18 -04:00
..
2014-01-31 16:54:10 -08:00
2014-03-10 08:44:18 -04:00