Remove congress

Congress and python-congressclient have been retired and also
removed from global requirements, thus requirements-check job fails.

Remove congress from this repo.

Change-Id: Ibf68fee49e69264a1c46b2f456901d2620befe3c

doc/requirements.txt

@@ -14,7 +14,6 @@ aodhclient>=0.9.0 # Apache-2.0
 gnocchiclient>=3.3.1 # Apache-2.0
 osc-placement>=1.7.0 # Apache-2.0
 python-barbicanclient>=4.5.2 # Apache-2.0
-python-congressclient<2000,>=1.9.0 # Apache-2.0
 python-designateclient>=2.7.0 # Apache-2.0
 python-heatclient>=1.10.0 # Apache-2.0
 python-ironicclient>=2.3.0 # Apache-2.0

doc/source/cli/commands.rst

@@ -195,10 +195,6 @@ conflicts when creating new plugins. For a complete list check out
 * ``cluster profile``: (**Clustering (Senlin)**)
 * ``cluster profile type``: (**Clustering (Senlin)**)
 * ``cluster receiver``: (**Clustering (Senlin)**)
-* ``congress datasource``: (**Policy (Congress)**)
-* ``congress driver``: (**Policy (Congress)**)
-* ``congress policy``: (**Policy (Congress)**)
-* ``congress policy rule``: (**Policy (Congress)**)
 * ``cron trigger``: (**Workflow Engine (Mistral)**)
 * ``database flavor``: (**Database (Trove)**)
 * ``dataprocessing data source``: (**Data Processing (Sahara)**)

doc/source/cli/plugin-commands/congress.rst

@@ -1,4 +0,0 @@
-congress
---------
-
-.. autoprogram-cliff:: openstack.congressclient.v1

doc/source/cli/plugin-commands/index.rst

@@ -9,7 +9,6 @@ Plugin Commands
 
    aodh
    barbican
-   congress
    designate
    gnocchi
    heat

doc/source/contributor/plugins.rst

@@ -27,7 +27,6 @@ The following is a list of projects that are an OpenStackClient plugin.
 - gnocchiclient
 - osc-placement
 - python-barbicanclient
-- python-congressclient
 - python-designateclient
 - python-heatclient
 - python-ironicclient

lower-constraints.txt

@@ -87,7 +87,6 @@ pyparsing==2.1.0
 pyperclip==1.5.27
 python-barbicanclient==4.5.2
 python-cinderclient==3.3.0
-python-congressclient==1.9.0
 python-dateutil==2.5.3
 python-designateclient==2.7.0
 python-glanceclient==2.8.0