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/youporn/pages/base.py

@@ -24,9 +24,6 @@ from mechanize import FormNotFoundError
 from weboob.tools.browser import BasePage
 
 
-__all__ = ['PornPage']
-
-
 class PornPage(BasePage):
     def on_loaded(self):
         try:

modules/youporn/pages/index.py

@@ -27,9 +27,6 @@ from .base import PornPage
 from ..video import YoupornVideo
 
 
-__all__ = ['IndexPage']
-
-
 class IndexPage(PornPage):
     def iter_videos(self):
         for li in self.document.getroot().xpath('//ul/li[@class="videoBox"]'):

modules/youporn/video.py

@@ -21,9 +21,6 @@
 from weboob.capabilities.video import BaseVideo
 
 
-__all__ = ['YoupornVideo']
-
-
 class YoupornVideo(BaseVideo):
     def __init__(self, *args, **kwargs):
         BaseVideo.__init__(self, *args, **kwargs)