.travis.yml in omniauth-oauth2-1.4.0 vs .travis.yml in omniauth-oauth2-1.5.0

@@ -2,18 +2,15 @@
 env:
   global:
     - JRUBY_OPTS="$JRUBY_OPTS --debug"
 language: ruby
 rvm:
-  - 1.8.7
-  - 1.9.3
-  - 2.0.0
-  - 2.1
-  - 2.2
-  - jruby-18mode
-  - jruby-19mode
+  - jruby-9000
+  - 2.1.10 # EOL Soon
+  - 2.2.6
+  - 2.3.3
+  - 2.4.0
   - jruby-head
-  - rbx-2
   - ruby-head
 matrix:
   allow_failures:
     - rvm: jruby-head
     - rvm: ruby-head