Now that userimages is a separate plugin, the config has to be cleaned:

I follow certain guidelines while building lang-files, so I'd like to keep them clean'n'clear. To do that:
- Before creating a lang-file please make sure lang-strings you're introducing do not exist in the main.en.lang.php
- Lang-strings in plugins shall follow the pattern plugincode_somevarname (lowercase), i.e.
$L['recentitems_nonewposts'] = 'No new posts';
- Do not remove lang-strings from en or ru only. If you're not sure about what you're doing, ask for assistance. It is easier to sync strings manually each time than to find orphan strings after a dozen of commits.