Turn off usergenerated flags for email from our own addresses

News, docs and bugs are all sending from our own noreply addresses these
days, so they should not be flagged as usergenerated (flagging as
usergenerated will revent dkim signing, amongst other things)

pgweb/docs/views.py

@@ -339,7 +339,6 @@ def commentform(request, itemid, version, filename):
                     'filename': filename,
                     'details': form.cleaned_data['details'],
                 },
-                usergenerated=True,
                 cc=form.cleaned_data['email'],
                 replyto='%s, %s' % (form.cleaned_data['email'], settings.DOCSREPORT_EMAIL),
                 sendername='PG Doc comments form'

pgweb/misc/views.py

@@ -48,7 +48,6 @@ def submitbug(request):
                         'bugid': bugid,
                         'bug': form.cleaned_data,
                     },
-                    usergenerated=True,
                     cc=form.cleaned_data['email'],
                     replyto='%s, %s' % (form.cleaned_data['email'], settings.BUGREPORT_EMAIL),
                     sendername="PG Bug reporting form",

pgweb/news/util.py

@@ -98,5 +98,4 @@ def send_news_email(news):
         htmlbody=html,
         attachments=attachments,
         headers=headers,
-        usergenerated=True,
     )