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/gdcvault/pages.py

@@ -39,8 +39,6 @@ from .video import GDCVaultVideo
 
 # TODO: check title on 1439
 
-__all__ = ['IndexPage', 'SearchPage', 'VideoPage']
-
 
 class IndexPage(BasePage):
     def iter_videos(self):
@@ -73,7 +71,6 @@ class IndexPage(BasePage):
             else:
                 video.thumbnail = NotAvailable
 
-
             #m = re.match('id-(\d+)', a.attrib.get('class', ''))
             #if not m:
             #    continue
@@ -115,7 +112,6 @@ class VideoPage(BasePage):
             except UnicodeDecodeError as e:
                 title = None
 
-
         if title is None:
             obj = self.parser.select(self.document.getroot(), 'meta[name=title]')
             if len(obj) > 0:
@@ -128,7 +124,6 @@ class VideoPage(BasePage):
                         # XXX: this doesn't even works!?
                         title = obj[0].attrib['content'].decode('iso-5589-15')
 
-
         if title is not None:
             title = title.strip()
             m = re.match('GDC Vault\s+-\s+(.*)', title)
@@ -169,7 +164,6 @@ class VideoPage(BasePage):
                         # if headers.get('Content-Type', '') == 'text/html' and headers.get('Content-Length', '') == '2':
                         # print 'BUG'
 
-
                         #print req.code
                     except HTTPError as e:
                         #print e.getcode()