.travis.yml in omniauth-google-oauth2-0.8.0 vs .travis.yml in omniauth-google-oauth2-0.8.1

@@ -1,6 +1,5 @@
 language: ruby
 rvm:
-  - '2.2.7'
   - '2.3.4'
   - '2.4.1'
   - '2.5.0'