.travis.yml in resqutils-1.2.1 vs .travis.yml in resqutils-1.3.0

@@ -1,10 +1,8 @@
 language: ruby
 rvm:
-  - 2.1.0
-  - 2.2.0
-  - 2.0.0
-  - 1.9.3
+  - 2.6
+  - 2.7
   - ruby-head
 before_install:
   - gem install bundler
 gemfile:
   - Gemfile