Remove gmane links

The gmane service does not exist anymore.

debianmemberportfolio/model/portfolio.ini

@@ -54,10 +54,9 @@ duck.pattern=http://duck.debian.net/persons/%(email)s.html
 janitor.pattern=https://janitor.debian.net/m/%(email)s
 
 [lists]
-urls=dolists,adolists,gmane
+urls=dolists,adolists
 dolists.pattern=https://lists.debian.org/cgi-bin/search?P="%%22%(name)s%%22&SORT=0
 adolists.pattern=https://www.google.com/search?q=site%%3Alists.alioth.debian.org+%%22%(name)s%%22
-gmane.pattern=http://search.gmane.org/?email=%(name)s&group=gmane.linux.debian.*
 # debconf list search has a tricky URL format
 # http://lists.debconf.org/lurker/search \
 #  /20100510.202949.00000000@au:%(firstname)s,au:%(lastname)s.en.html

debianmemberportfolio/views.py

@@ -76,7 +76,6 @@ developer name on all bug logs)'),
         'label': N_('Mailing Lists'),
         'dolists': N_('lists.d.o'),
         'adolists': N_('lists.a.d.o'),
-        'gmane': N_('gmane'),
     },
     'files': {
         'label': N_('Files'),