remove travis yml

.travis.yml

@@ -1,27 +0,0 @@
-sudo: required
-dist: trusty
-language: bash
-
-env:
-  global:
-    - DOCKER_COMPOSE_VERSION=1.21.1
-    - PGHOST
-    - PGPORT
-
-before_install:
-  - sudo rm /usr/local/bin/docker-compose
-  - curl -L https://github.com/docker/compose/releases/download/${DOCKER_COMPOSE_VERSION}/docker-compose-`uname -s`-`uname -m` > docker-compose
-  - chmod +x docker-compose
-  - sudo mv docker-compose /usr/local/bin
-
-install:
-  - env | egrep 'DEBUG|DANBOORU|RAILS|DATABASE_URL|SECRET' > .env.test
-  - docker-compose -f config/docker/compose.yml up -d web
-  - docker-compose -f config/docker/compose.yml exec archives dockerize -wait tcp://$PGHOST:$PGPORT bash -l -c 'cd /app ; bundle exec rake db:create ; bundle exec rake db:migrate'
-  - docker-compose -f config/docker/compose.yml exec web dockerize -wait tcp://$PGHOST:$PGPORT bash -l -c 'cd /app ; bin/rake db:create ; bin/rake db:migrate'
-
-script:
-  - docker-compose -f config/docker/compose.yml exec web bin/rake test
-
-after_script:
-  - docker-compose -f config/docker/compose.yml down