Revert "Use uwsgi for glance-api"

This reverts commit e6217a9719b88b550ccbbce7c9bc064cb746c1a3.

Unfortunately it seems to break glance; for examples see some of the
nodepool dib jobs which have all failed to upload images into glance.

Note this has a revert for 43304849cfde41fa86a6fdd334ab6e703598ef8d as
well, since that uses GLANCE_URL defined here.

[1] http://logs.openstack.org/51/475051/2/gate/gate-dsvm-nodepool-redhat-src/e1bdb34/
[2] http://logs.openstack.org/51/475051/2/gate/gate-dsvm-nodepool-ubuntu-src/6a7665b/
[3] http://logs.openstack.org/51/475051/2/gate/gate-dsvm-nodepool-opensuse-src/b357de1/

Change-Id: I2aea120e733b05e806801121ec994f4e31a337d9
4 files changed