[translations] Use configpaths api for getting path

plugins_translations/plugins_translations.py

@@ -3,7 +3,7 @@
 
 import os
 
-from gajim.common import app
+from gajim.common import configpaths
 from gajim.plugins import GajimPlugin
 from gajim.plugins.helpers import log_calls
 from gajim.plugins.plugins_i18n import _
@@ -14,10 +14,11 @@ class PluginsTranslationsPlugin(GajimPlugin):
     @log_calls('PluginsTranslationsPlugin')
     def init(self):
         self.description = _('This plugin contains translation files '
-            'for Gajim plugins')
+                             'for Gajim plugins')
         self.config_dialog = None
         self.config_default_values = {'last_version': '0'}
-        self.locale_dir = os.path.join(app.PLUGINS_DIRS[1], 'locale')
+        self.locale_dir = os.path.join(
+            configpaths.get('PLUGINS_USER'), 'locale')
 
     @log_calls('PluginsTranslationsPlugin')
     def activate(self):