Remove translation sections from setup.cfg

These translation sections are not needed anymore, Babel can generate
translation files without them.

Also, the options in egg_info section are not necessary and can be
removed. Especially, tag_svn_revision was already removed[1].

[1] https://github.com/pypa/setuptools/issues/619

Change-Id: I965b765dfa8f1865ee27d52fdef9df8267db756f

setup.cfg

@@ -103,22 +103,3 @@ openstack.dns.v2 =
     tsigkey_show = designateclient.v2.cli.tsigkeys:ShowTSIGKeyCommand
     tsigkey_set = designateclient.v2.cli.tsigkeys:SetTSIGKeyCommand
     tsigkey_delete = designateclient.v2.cli.tsigkeys:DeleteTSIGKeyCommand
-
-[egg_info]
-tag_build =
-tag_date = 0
-tag_svn_revision = 0
-
-[compile_catalog]
-directory = designateclient/locale
-domain = designateclient
-
-[update_catalog]
-domain = designateclient
-output_dir = designateclient/locale
-input_file = designateclient/locale/designateclient.pot
-
-[extract_messages]
-keywords = _ gettext ngettext l_ lazy_gettext
-mapping_file = babel.cfg
-output_file = designateclient/locale/designateclient.pot