Remove openstack-doc-tools

Since this repo does not publish DocBook XML content anymore, we can
remove openstack-doc-tools and the tox.ini targets for it.

Also, remove the config file doc-test.conf, it's not used anymore.

Depends-On: Ie90eb7fa6f1b1d7b99869083099201d2bfe10018
Change-Id: Ia92429f120fd18553e2785f63f6a12ad0fc9f12f

doc-test.conf

@@ -1,11 +0,0 @@
-[DEFAULT]
-repo_name = trove
-api_site = True
-
-# From apidocs
-file_exception = includewars.xml
-
-# These two options need to come as triplets:
-book = apidocs
-target_dir = target/docbkx/webhelp/cdb-devguide-external
-publish_dir = api/openstack-databases

test-requirements.txt

@@ -11,7 +11,6 @@ reno>=1.8.0 # Apache2
 coverage>=3.6 # Apache-2.0
 nose # LGPL
 nosexcover # BSD
-openstack-doc-tools>=0.23 # Apache-2.0
 openstackdocstheme>=1.4.0 # Apache-2.0
 openstack.nose-plugin>=0.7 # Apache-2.0
 WebTest>=2.0 # MIT

tox.ini

@@ -58,23 +58,6 @@ builtins = _
 exclude=.venv,.tox,.git,dist,doc,openstack,*egg,tools,etc,build,*.po,*.pot
 filename=*.py,trove-*
 
-[testenv:checklinks]
-commands = openstack-doc-test --check-links {posargs}
-
-[testenv:checkbuild]
-# NOTE(pmalik) The setting of the install_command in this location
-# is only required because currently infra does not actually
-# support constraints files for the publishdocs job, and while
-# the environment variable UPPER_CONSTRAINTS_FILE is set, there's
-# no file there. It can be removed when infra changes this.
-install_command = pip install -U {opts} {packages}
-commands =
-  openstack-doc-test --check-niceness --check-syntax --check-deletions {posargs}
-  openstack-doc-test --check-build {posargs}
-
-[testenv:publishdocs]
-commands = openstack-doc-test --check-build --publish --force
-
 [testenv:api-ref]
 # This environment is called from CI scripts to test and publish
 # the API Ref to developer.openstack.org.