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/feedly/google.py

@@ -22,8 +22,6 @@ from urlparse import urlparse, parse_qs
 from weboob.tools.browser2 import LoginBrowser, URL, HTMLPage
 from weboob.tools.exceptions import BrowserIncorrectPassword
 
-__all__ = ['GoogleBrowser', 'GoogleLoginPage']
-
 
 class GoogleLoginPage(HTMLPage):
     def login(self, login, passwd):

modules/feedly/pages.py

@@ -25,8 +25,6 @@ from weboob.tools.browser2.page import JsonPage, method
 from weboob.tools.browser2.elements import ListElement, ItemElement
 from weboob.tools.browser2.filters import CleanText, Dict, Format, CleanHTML
 
-__all__ = ['TokenPage', 'ContentsPage', 'PreferencesPage']
-
 
 class DictElement(ListElement):
     def find_elements(self):