Remove translation sections from setup.cfg

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

Change-Id: I54aebb7d370f651642f40a69c27e6776d6093f1d

babel.cfg

@@ -1,2 +0,0 @@
-[python: **.py]
-

lower-constraints.txt

@@ -1,5 +1,4 @@
 appdirs==1.3.0
-Babel==2.5.3
 cliff==2.8.0
 cmd2==0.8.0
 coverage==4.5.1

requirements.txt

@@ -3,7 +3,6 @@
 # process, which may cause wedges in the gate later.
 
 pbr>=3.1.1 # Apache-2.0
-Babel>=2.5.3 # BSD
 cliff!=2.9.0,>=2.8.0 # Apache-2.0
 osc-lib>=1.8.0 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0

setup.cfg

@@ -71,17 +71,3 @@ vitrageclient.formatter.show =
     table = cliff.formatters.table:TableFormatter
     value = cliff.formatters.value:ValueFormatter
     yaml = cliff.formatters.yaml_format:YAMLFormatter
-
-[compile_catalog]
-directory = vitrageclient/locale
-domain = python-vitrageclient
-
-[update_catalog]
-domain = python-vitrageclient
-output_dir = vitrageclient/locale
-input_file = vitrageclient/locale/python-vitrageclient.pot
-
-[extract_messages]
-keywords = _ gettext ngettext l_ lazy_gettext
-mapping_file = babel.cfg
-output_file = vitrageclient/locale/python-vitrageclient.pot