remove erlang 18 - travis gettin' crufty

Yeah travis update your erlang versions list once in a while pleaze ! https://twitter.com/binarytemple/status/1170651866767736833
deadtrickster · Sep 9, 2019 · 53325de · 53325de
1 parent 949de0f
commit 53325de
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -4,7 +4,6 @@ install: 'true'
 otp_release:
 - 20.0
 - 19.0
-- 18.0
 addons:
   apt:
     packages: