Remove PostgreSQL 9.1 from test matrix

jasonmp85 · jasonmp85 · commit a06e5eaa4c4c · 2017-06-22T12:55:33.000-06:00
Travis doesn't like it.
diff --git a/.travis.yml b/.travis.yml
@@ -2,7 +2,6 @@ sudo: required
 dist: trusty
 language: c
 env:
-  - PGVERSION=9.1
   - PGVERSION=9.2
   - PGVERSION=9.3
   - PGVERSION=9.4
