.travis.yml in peatio-goldcash-2.6.6 vs .travis.yml in peatio-goldcash-2.6.7

@@ -1,8 +1,7 @@
 ---
 sudo: false
 language: ruby
 cache: bundler
 rvm:
-  - 2.5.3
   - 2.6.2
-before_install: gem install bundler -v 1.16.3
+before_install: gem install bundler -v 1.17.2