Drop support for Ruby 2.1

* It is no longer supported: https://www.ruby-lang.org/en/news/2017/04/01/support-of-ruby-2-1-has-ended/
ruby · Apr 1, 2017 · f029e65 · f029e65
1 parent e4db1d3
commit f029e65
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -11,8 +11,6 @@ matrix:
     - os: linux
       rvm: 2.4.0
       env: MSPEC_OPTS="-R2 -ff"
-    - os: linux
-      rvm: 2.1.10
     - os: linux
       rvm: 2.2.6
     - os: linux