Fix tox -e docs

Remove unneeded sections from setup.cfg so that 'tox -e docs' works
and the specs can be published on specs.openstack.org.

implements bp publish-specs

Change-Id: I0ae5021c70fdf13b60ca8c97107854636cbe2995

setup.cfg

@@ -19,10 +19,6 @@ classifier =
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.3
 
-[files]
-packages =
-    cinder-specs
-
 [build_sphinx]
 source-dir = doc/source
 build-dir = doc/build
@@ -30,17 +26,3 @@ all_files = 1
 
 [upload_sphinx]
 upload-dir = doc/build/html
-
-[compile_catalog]
-directory = cinder-specs/locale
-domain = cinder-specs
-
-[update_catalog]
-domain = cinder-specs
-output_dir = cinder-specs/locale
-input_file = cinder-specs/locale/cinder-specs.pot
-
-[extract_messages]
-keywords = _ gettext ngettext l_ lazy_gettext
-mapping_file = babel.cfg
-output_file = cinder-specs/locale/cinder-specs.pot