chore(ci): remove travis (#1502)

Signed-off-by: Carlos Alexandro Becker <caarlos0@gmail.com>

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

.travis.yml

@@ -1,30 +0,0 @@
-dist: bionic
-language: go
-go: '1.14.x'
-services:
-  - docker
-addons:
-  apt:
-    packages:
-    - snapcraft
-install:
-  - make setup
-script:
-  - make ci
-  - ./goreleaser check
-  - test -n "$TRAVIS_TAG" || ./goreleaser --snapshot --parallelism 2
-after_success:
-  - bash <(curl -s https://codecov.io/bash)
-  - make static
-  - test -z "$(git status --porcelain)"
-  - test -n "$TRAVIS_TAG" && docker login -u="$DOCKER_USERNAME" -p="$DOCKER_PASSWORD"
-  - test -n "$TRAVIS_TAG" && openssl aes-256-cbc -K $encrypted_ee3523ecee9b_key -iv $encrypted_ee3523ecee9b_iv -in snap.login.enc -out snap.login -d
-  - test -n "$TRAVIS_TAG" && snapcraft login --with snap.login
-deploy:
-  - provider: script
-    skip_cleanup: true
-    script: ./goreleaser
-    on:
-      tags: true
-notifications:
-  email: false