Remove Travis development gems

ekohl · ekohl · commit ff73b952e2b3 · 2021-02-23T14:25:08.000+01:00
Voxpupuli stopped using Travis so the gems are no longer needed.
diff --git a/Gemfile b/Gemfile
@@ -15,8 +15,6 @@
 source "https://rubygems.org"
 
 group :development do
-  gem 'travis'
-  gem 'travis-lint'
   gem 'pry'
 end
 
