Fix travis to not cleanup when publishing rswag-ui
Fix travis to not cleanup when publishing rswag-ui

This is to keep `node_modules` directory.
domaindrivendev/swagger_rails,domaindrivendev/swagger-rails,domaindrivendev/swagger-rails,domaindrivendev/swagger-rails,domaindrivendev/swagger_rails,domaindrivendev/swagger_rails