build: remove travis (#345)
build: remove travis (#345)

* build: remove travis

* Update README.md

Co-authored-by: Steve Bazyl <ae3e58a1eb1149faf3214ee4298116b2f8b27cc9@google.com>
gsuitedevs/apps-script-samples,googleworkspace/apps-script-samples,gsuitedevs/apps-script-samples,googleworkspace/apps-script-samples