Get rid of versioninfo cruft

The version information is no longer stored in a file.

Fixes: Bug #1157885
Change-Id: Ide0662ad3d7b2596743cd9427bc3b50e8357ffe1
Signed-off-by: Jeff Peeler <jpeeler@redhat.com>

.gitignore

@@ -3,7 +3,6 @@
 build
 dist
 heat.egg-info
-heat/versioninfo
 tags
 *.log
 heat-test.db

MANIFEST.in

@@ -7,7 +7,6 @@ include MANIFEST.in pylintrc
 include openstack-common.conf
 include babel.cfg install.sh run_tests.sh tox.ini uninstall.sh
 graft templates
-include heat/versioninfo
 include heat/cloudinit/config
 include heat/cloudinit/boothook.sh
 include heat/cloudinit/loguserdata.py