Remove Ruby 2.2 as too many gems need 2.3+

lcreid · lcreid · commit 6979c85d09c9 · 2019-05-29T08:00:45.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,5 @@
 language: ruby
 rvm:
-  - 2.2.9
   - 2.3.6
   - 2.4.3
   - 2.5.0

-Original file line number
+Diff line change
@@ @@ -1,6 +1,5 @@ @@
 language: ruby
 rvm:
 -  - 2.2.9
   - 2.3.6
   - 2.4.3
   - 2.5.0