remove ruby 2.2 from travis

Trunk shall no longer test ruby 2.2. Support for ruby 2.2 was ended in June 2018. https://www.ruby-lang.org/en/news/2018/06/20/support-of-ruby-2-2-has-ended/
savonrb · Jul 5, 2020 · 9abfbb5 · 9abfbb5
1 parent d80846a
commit 9abfbb5
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -5,7 +5,6 @@ before_install:
   - gem install bundler
 script: "bundle exec rake --trace"
 rvm:
-  - 2.2.4
   - 2.3.0
   - 2.4.1
   - jruby-9.1.15.0