travis: Disable e-mail notifications

Krinkle · Krinkle · commit d0ac0aa68d8b · 2014-07-03T14:43:44.000+02:00
Those with admin access to the GitHub repo get e-mails by default
for build failures.

Change-Id: I1edba0af7f53ed40066cd395fe70daf3c99413eb
diff --git a/.travis.yml b/.travis.yml
@@ -38,6 +38,7 @@ script:
   - php tests/phpunit/phpunit.php
 
 notifications:
+  email: false
   irc:
     channels:
       - "chat.freenode.net#mediawiki-core"
