remove 404 links to "Unsubscribe" in Marketplace emails (bug 802379)

apps/amo/templates/amo/emails/unsubscribe.html

@@ -1,4 +1,5 @@
 {{ message }}
+{% if show_unsubscribe %}
 
 <p>
 ===================================================================<br>
@@ -14,3 +15,4 @@ You received this email because you're subscribed to:
 {% else %}
 <p><a href="{{ unsubscribe_url }}">Unsubscribe</a></p>
 {% endif %}
+{% endif %}

apps/amo/templates/amo/emails/unsubscribe.ltxt

@@ -1,4 +1,5 @@
 {{ message }}
+{% if show_unsubscribe %}
 
 ===================================================================
 You received this email because you're subscribed to:
@@ -11,3 +12,4 @@ Manage email notifications: {{ manage_url }}
 {% else %}
 Unsubscribe: {{ unsubscribe_url }}
 {% endif %}
+{% endif %}

apps/amo/utils.py

@@ -239,7 +239,9 @@ def send_mail(subject, message, from_email=None, recipient_list=None,
                     'unsubscribe_url': unsubscribe_url,
                     'perm_setting': perm_setting.label,
                     'SITE_URL': settings.SITE_URL,
-                    'mandatory': perm_setting.mandatory
+                    'mandatory': perm_setting.mandatory,
+                    # Hide "Unsubscribe" links in Marketplace emails (bug 802379).
+                    'show_unsubscribe': not settings.MARKETPLACE
                 }
                 # Render this template in the default locale until
                 # bug 635840 is fixed.

mkt/developers/tests/test_tasks.py

@@ -543,7 +543,8 @@ class TestRegionEmail(amo.tests.WebappTestCase):
         assert dev_url in msg.body
         assert ' added a new ' in msg.body
         assert ' for Brazil.' in msg.body
-        assert 'Unsubscribe' in msg.body
+        # TODO: Re-enable this when we bring back Unsubscribe (bug 802379).
+        #assert 'Unsubscribe' in msg.body
 
     @mock.patch.object(settings, 'SITE_URL', 'http://omg.org/yes')
     def test_email_for_two_new_regions(self):
@@ -559,7 +560,8 @@ class TestRegionEmail(amo.tests.WebappTestCase):
         assert dev_url in msg.body
         assert ' added two new ' in msg.body
         assert ': Brazil and United Kingdom.' in msg.body
-        assert 'Unsubscribe' in msg.body
+        # TODO: Re-enable this when we bring back Unsubscribe (bug 802379).
+        #assert 'Unsubscribe' in msg.body
 
     @mock.patch.object(settings, 'SITE_URL', 'http://omg.org/yes')
     def test_email_for_several_new_regions(self):