remove 7.1 php in travis test since phpunit 8.5+ requires atleast php version 7.2 ..

darryldecode · darryldecode · commit 36c93b193826 · 2020-01-07T22:03:52.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,6 @@
 language: php
 
 php:
-  - 7.1
   - 7.2
   - 7.3
   - 7.4

-Original file line number
+Diff line change
 language: php
 php:
 -  - 7.1
   - 7.2
   - 7.3
   - 7.4