uncap eventlet

We will manage the eventlet version using constraints now. See the
thread starting at
http://lists.openstack.org/pipermail/openstack-dev/2018-April/129096.html
for more details.

Change-Id: I018f0eec71bd0e062074081dd411c990a33a9ac3
Signed-off-by: Doug Hellmann <doug@doughellmann.com>
1 file changed