.travis.yml in slack-ruby-client-0.10.0 vs .travis.yml in slack-ruby-client-0.11.0

@@ -3,10 +3,9 @@
 cache: bundler
 
 rvm:
   - 2.2
   - 2.1
-  - 2.0
   - 2.3.4
   - ruby-head
   - jruby-head
 
 matrix: