.travis.yml in virtus-0.0.9 vs .travis.yml in virtus-0.0.10

@@ -11,10 +11,9 @@
 env:
   -
   - JRUBY_OPTS="--1.8"
   - JRUBY_OPTS="--1.9"
   - RBXOPT="-X18"
-  - RBXOPT="-X19"
 matrix:
   exclude:
     # exclude 1.8.7
     - rvm: 1.8.7
       env: JRUBY_OPTS="--1.8"