fix travis by forgetting about rbx2

steveklabnik · steveklabnik · commit 28c000a9cb9c · 2018-01-01T10:10:54.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -9,7 +9,6 @@ rvm:
   - 2.2.3
   - jruby-18mode
   - jruby-19mode
-  - rbx-2
   - ruby-head
   - jruby-head
   - ree
