.travis.yml in virtus-1.0.0.rc1 vs .travis.yml in virtus-1.0.0.rc2

@@ -9,10 +9,9 @@
   - rbx-19mode
   - ruby-head
 matrix:
   allow_failures:
     - rvm: ruby-head
-    - rvm: rbx-19mode
 notifications:
   email:
     - [e-mail]
     - [e-mail]