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/seloger/pages.py

@@ -26,9 +26,6 @@ from weboob.capabilities.base import NotAvailable
 from weboob.capabilities.housing import Housing, HousingPhoto
 
 
-__all__ = ['SearchResultsPage', 'HousingPage']
-
-
 class SearchResultsPage(BasePage):
     def next_page_url(self):
         urls = self.document.getroot().xpath('//pagesuivante')

modules/seloger/test.py

@@ -22,9 +22,6 @@ from weboob.capabilities.housing import Query
 from weboob.tools.test import BackendTest
 
 
-__all__ = ['SeLogerTest']
-
-
 class SeLogerTest(BackendTest):
     BACKEND = 'seloger'