Remove gem update
Remove gem update

Prevents this:
bundler's executable "bundle" conflicts with /home/travis/.rvm/rubies/ruby-2.6.5/bin/bundle
Overwrite the executable? [yN]  

Ref: https://travis-ci.community/t/our-builds-started-failing-with-bundlers-executable-bundle-conflicts/6523
diowa/icare,diowa/icare,diowa/icare,diowa/icare