Switch SSO URL to login.ubuntu.com

It's the same site, but login.ubuntu.com is the 'real' one and
launchpad.net is an alias. login.launchpad.net seems to be less
important to the admins.

Change-Id: Ic3a68886fb846699860a58ea76c16f2749f05897
diff --git a/jeepyb/cmd/update_bug.py b/jeepyb/cmd/update_bug.py
index 5f457f5..aaf19b8 100644
--- a/jeepyb/cmd/update_bug.py
+++ b/jeepyb/cmd/update_bug.py
@@ -100,7 +100,7 @@
     # +-----------------+-----------------------------------------+
     # | email_address   | external_id                             |
     # +-----------------+-----------------------------------------+
-    # | plugh@xyzzy.com | https://login.launchpad.net/+id/fR0bnU1 |
+    # | plugh@xyzzy.com | https://login.ubuntu.com/+id/fR0bnU1 |
     # | bar@foo.org     | mailto:bar@foo.org                      |
     # | NULL            | username:quux                           |
     # +-----------------+-----------------------------------------+
@@ -112,7 +112,7 @@
                 SELECT t.account_id FROM account_external_ids t
                 WHERE t.email_address = %s )
             original ON t.account_id = original.account_id
-            AND t.external_id LIKE 'https://login.launchpad.net%%'"""
+            AND t.external_id LIKE 'https://login.ubuntu.com%%'"""
 
     cursor = jeepyb.gerritdb.connect().cursor()
     cursor.execute(query, searchkey)