remove useless debug message, imports and functions

weboob/tools/backend.py

@@ -328,9 +328,8 @@ class BaseBackend(object):
             tmpproxys = os.environ['https_proxy']
         elif 'HTTPS_PROXY' in os.environ:
             tmpproxys = os.environ['HTTPS_PROXY']
-        print tmpproxys
 
-        if tmpproxy is not None or tmpproxys is not None:
+        if any((tmpproxy, tmpproxys)):
             kwargs['proxy'] = {}
             if tmpproxy is not None:
               kwargs['proxy']['http'] = tmpproxy

weboob/tools/browser/browser.py

@@ -40,7 +40,6 @@ import hashlib
 import time
 import urllib
 import urllib2
-from urlparse import urlsplit
 import mimetypes
 from contextlib import closing
 from gzip import GzipFile