Workflow documentation is now in infra-manual

Replace URLs for workflow documentation to appropriate parts of the
OpenStack Project Infrastructure Manual.

Dropped sections that duplicate each other after the change.

Co-Authored-By: Dmitry Tantsur <dtantsur@redhat.com>
Change-Id: I233df03368dbb4b7805d6dce28de00fa037353c7

CONTRIBUTING.rst

@@ -1,13 +1,7 @@
 If you would like to contribute to the development of OpenStack,
 you must follow the steps documented at:
 
-   https://wiki.openstack.org/wiki/HowToContribute#If_you.27re_a_developer
-
-Once those steps have been completed, changes to OpenStack
-should be submitted for review via the Gerrit tool, following
-the workflow documented at:
-
-   https://wiki.openstack.org/GerritWorkflow
+   http://docs.openstack.org/infra/manual/developers.html#development-workflow
 
 Pull requests submitted through GitHub will be ignored.
 

README.rst

@@ -26,11 +26,6 @@ Additional resources are linked from the project wiki page:
   https://wiki.openstack.org/wiki/Ironic
 
 Anyone wishing to contribute to an OpenStack project should
-find plenty of helpful resources here:
+find a good reference here:
 
-  https://wiki.openstack.org/wiki/HowToContribute
-
-All OpenStack projects use Gerrit for code reviews.
-A good reference for that is here:
-
-  https://wiki.openstack.org/wiki/GerritWorkflow
+  http://docs.openstack.org/infra/manual/developers.html

doc/source/dev/contributing.rst

@@ -18,7 +18,7 @@ signed OpenStack's contributor's agreement.
 
 .. seealso::
 
-   * http://wiki.openstack.org/HowToContribute
+   * http://docs.openstack.org/infra/manual/developers.html
    * http://wiki.openstack.org/CLA
 
 LaunchPad Project

doc/source/dev/dev-quickstart.rst

@@ -10,7 +10,7 @@ an OpenStack project.
 
 .. seealso::
 
-    https://wiki.openstack.org/wiki/GerritWorkflow
+    http://docs.openstack.org/infra/manual/developers.html#development-workflow
 
 Install prerequisites::