DEV: Remove Travis CI (#63)

DEV: Remove Travis CI (#63)

We’re using GitHub Actions CI already.

diff --git a/.gitignore b/.gitignore
index 74959fd..3c3629e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1 @@
-.DS_Store
 node_modules
-yarn-error.log
-.rubocop-https---raw-githubusercontent-com-discourse-*
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 9a69503..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-# We want to use the KVM-based system, so require sudo
-sudo: required
-services:
-  - docker
-
-before_install:
-  - git clone --depth=1 https://github.com/discourse/discourse-plugin-ci
-
-install: true # Prevent travis doing bundle install
-
-script:
-  - discourse-plugin-ci/script.sh

GitHub sha: f15941c7

This commit appears in #63 which was approved by jjaffeux. It was merged by CvX.