Dropped travis config

.travis.yml

@@ -1,36 +0,0 @@
-language: go
-
-go_import_path: code.gitea.io/gitea
-
-go:
-  - 1.6
-  - 1.7
-
-env:
-  TAGS: cert sqlite pam miniwinsvc
-
-before_install:
-  - sudo apt-get update -qq
-  - sudo apt-get install -y libpam-dev
-
-script:
-  - make clean
-  - make vet
-
-  # - make lint
-
-  - make test
-  - make build
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash)
-
-notifications:
-  webhooks:
-    on_success: change
-    on_failure: always
-    on_start: never
-    urls:
-      - https://webhooks.gitter.im/e/ee6b822f3cf54c98e70c
-      - https://webhooks.gitter.im/e/87428658ef177ce8a7e4
-      - https://webhooks.gitter.im/e/a1d2b69804dfda72187e