Remove travis builds

.travis.yml

@@ -1,26 +0,0 @@
-sudo: false
-language: python
-cache:
-  pip: true
-  directories:
-  - ~/.pip-accel
-python:
-- '3.4'
-addons:
-  postgresql: '9.3'
-install:
-- pip install pip-accel
-- pip-accel install -r requirements_for_test.txt
-before_script:
-- psql -c 'create database test_notification_api;' -U postgres
-script:
-- make generate-version-file
-- ./scripts/run_tests.sh
-env:
-  secure: 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
-after_success:
-- coveralls
-notifications:
-  slack:
-    rooms:
-      secure: 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