Goodbye Travis, we'll use GitHub Actions instead

.travis.yml

@@ -1,23 +0,0 @@
----
-
-dist: xenial
-
-language: minimal
-
-git:
-  depth: 5
-
-jobs:
-  include:
-    - stage: Test
-      name: Docker build
-      script:
-        - docker build -t dnscrypt-server-docker-ci-test .
-    - stage: Test
-      name: Check shell script format
-      script:
-        - docker run -it --rm -v "$(pwd)":/sh -w /sh peterdavehello/shfmt:2.6.4 shfmt -sr -i 4 -l -w -ci .
-        - git diff --color
-
-services:
-  - docker

README.md

@@ -1,4 +1,3 @@
-[![Travis Status](https://travis-ci.com/DNSCrypt/dnscrypt-server-docker.svg?branch=master)](https://travis-ci.com/DNSCrypt/dnscrypt-server-docker/builds/)
 [![DNSCrypt](https://raw.github.com/jedisct1/dnscrypt-server-docker/master/dnscrypt-small.png)](https://dnscrypt.info)
 [![Gitter chat](https://badges.gitter.im/gitter.svg)](https://gitter.im/dnscrypt-operators/Lobby)