Rebuild for sync layer-openstack

Also explicitly set ``include_system_packages`` to False.

While that setting is now the a default we consume from
``layer-basic`` it is more clear for the causual reader
of the charm source code.

Remove redundant entries from ``wheelhouse.txt``.

Change-Id: Iff673320827f2dc8f8d642f9c581b9a2a08f5a13

rebuild

@@ -2,4 +2,4 @@
 # when dependencies of the charm change,
 # but nothing in the charm needs to.
 # simply change the uuid to something new
-6a4e8d66-b54e-11e9-9e21-27ae1864b062
+f57f307b-74f9-4f1d-bdc2-50e20aecbb63

src/layer.yaml

@@ -9,6 +9,7 @@ includes:
 options:
   basic:
     use_venv: True
+    include_system_packages: False
     packages: [ 'libffi-dev', 'libssl-dev' ]
 repo: https://github.com/openstack/charm-octavia
 config:

src/wheelhouse.txt

@@ -4,6 +4,3 @@ python-novaclient
 python-neutronclient
 neutron_lib
 pytest-runner
-
-jinja2
-psutil