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/hellobank/perso/accounts_list.py

@@ -26,9 +26,6 @@ from weboob.tools.browser import BasePage, BrowserPasswordExpired
 from weboob.tools.json import json
 
 
-__all__ = ['AccountsList', 'AccountPrelevement']
-
-
 class AccountsList(BasePage):
     ACCOUNT_TYPES = {
         1: Account.TYPE_CHECKING,
@@ -87,6 +84,5 @@ class AccountsList(BasePage):
         return self.document.xpath('//a[@title="Messagerie"]')[0].attrib['href']
 
 
-
 class AccountPrelevement(AccountsList):
     pass