Remove commented out code in `ci/travis.rb` [ci skip]

ci/travis.rb

@@ -157,20 +157,6 @@ ENV['GEM'].split(',').each do |gem|
   end
 end
 
-# puts
-# puts "Build environment:"
-# puts "  #{`cat /etc/issue`}"
-# puts "  #{`uname -a`}"
-# puts "  #{`ruby -v`}"
-# puts "  #{`mysql --version`}"
-# puts "  #{`pg_config --version`}"
-# puts "  SQLite3: #{`sqlite3 -version`}"
-# `gem env`.each_line {|line| print "   #{line}"}
-# puts "   Bundled gems:"
-# `bundle show`.each_line {|line| print "     #{line}"}
-# puts "   Local gems:"
-# `gem list`.each_line {|line| print "     #{line}"}
-
 failures = results.select { |key, value| !value  }
 
 if failures.empty?