Remove useless __all__ in modules

They bring nothing of value (we never use import * anyway) and introduce
a maintenance burden.

The __all__ that I left might not be very useful either but at least
they are not a pain to maintain; they are also used by pyflakes in some
cases.

modules/aum/optim/queries_queue.py

@@ -18,17 +18,12 @@
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
 
-
-
 from weboob.tools.browser import BrowserUnavailable
 from weboob.capabilities.dating import Optimization
 from weboob.capabilities.contact import QueryError
 from weboob.tools.log import getLogger
 
 
-__all__ = ['QueriesQueue']
-
-
 class QueriesQueue(Optimization):
     def __init__(self, sched, storage, browser):
         self.sched = sched