remove collector instructions

collector is not necessary so no point telling people how to use
it.

Change-Id: I513393e3aee20f110bd28cab0344bc5b118a4dce

install-guide/source/get_started.rst

@@ -25,14 +25,8 @@ A central agent (``ceilometer-agent-central``)
 
 A notification agent (``ceilometer-agent-notification``)
   Runs on a central management server(s) and consumes messages from
-  the message queue(s) to build event and metering data.
-
-A collector (``ceilometer-collector``)
-  Runs on central management server(s) and dispatches collected
-  telemetry data to a data store or external consumer without
-  modification. This service is optional as the
-  ``ceilometer-agent-notification`` service can be configured to provide
-  the equivalent functionality.
+  the message queue(s) to build event and metering data. Data is then
+  published to defined targets. By default, data is pushed to Gnocchi_.
 
 These services communicate by using the OpenStack messaging bus. Ceilometer
 data is designed to be published to various endpoints for storage and

install-guide/source/install-base-config-common.inc

@@ -5,24 +5,12 @@
 
      .. code-block:: ini
 
-        [DEFAULT]
-        ...
-        meter_dispatchers=gnocchi
-        event_dispatchers=gnocchi
-
         [dispatcher_gnocchi]
         # filter out Gnocchi-related activity meters (Swift driver)
         filter_service_activity = False
         # default metric storage archival policy
         archive_policy = low
 
-     .. note::
-
-        It is possible forego the collector service by modifying the
-        pipeline.yaml to use the ``gnocchi://`` publisher rather than
-        ``notifier://``. Doing so will minimise resource requirements.
-        In this case, dispatchers do not need to be added to conf file.
-
    * In the ``[DEFAULT]`` section,
      configure ``RabbitMQ`` message queue access:
 

install-guide/source/install-base-obs.rst

@@ -23,9 +23,7 @@ Install and configure components
 
    .. code-block:: console
 
-      # zypper install
-        openstack-ceilometer-collector \
-        openstack-ceilometer-agent-notification \
+      # zypper install openstack-ceilometer-agent-notification \
         openstack-ceilometer-agent-central python-ceilometerclient
 
 .. include:: install-base-config-common.inc
@@ -39,8 +37,6 @@ Finalize installation
    .. code-block:: console
 
       # systemctl enable openstack-ceilometer-agent-notification.service \
-        openstack-ceilometer-agent-central.service \
-        openstack-ceilometer-collector.service
+        openstack-ceilometer-agent-central.service
       # systemctl start openstack-ceilometer-agent-notification.service \
-        openstack-ceilometer-agent-central.service \
-        openstack-ceilometer-collector.service
+        openstack-ceilometer-agent-central.service

install-guide/source/install-base-rdo.rst

@@ -23,8 +23,7 @@ Install and configure components
 
    .. code-block:: console
 
-      # yum install
-        openstack-ceilometer-collector openstack-ceilometer-notification \
+      # yum install openstack-ceilometer-notification \
         openstack-ceilometer-central python-ceilometerclient
 
 .. include:: install-base-config-common.inc
@@ -38,8 +37,6 @@ Finalize installation
    .. code-block:: console
 
       # systemctl enable openstack-ceilometer-notification.service \
-        openstack-ceilometer-central.service \
-        openstack-ceilometer-collector.service
+        openstack-ceilometer-central.service
       # systemctl start openstack-ceilometer-notification.service \
-        openstack-ceilometer-central.service \
-        openstack-ceilometer-collector.service
+        openstack-ceilometer-central.service

install-guide/source/install-base-ubuntu.rst

@@ -23,9 +23,8 @@ Install and configure components
 
    .. code-block:: console
 
-      # apt-get install ceilometer-collector \
-        ceilometer-agent-central ceilometer-agent-notification \
-        python-ceilometerclient
+      # apt-get install ceilometer-agent-notification \
+        ceilometer-agent-central python-ceilometerclient
 
 .. include:: install-base-config-common.inc
 
@@ -38,4 +37,3 @@ Finalize installation
 
       # service ceilometer-agent-central restart
       # service ceilometer-agent-notification restart
-      # service ceilometer-collector restart