Remove Travis

.travis.yml

@@ -1,22 +0,0 @@
-language: python
-
-cache: pip
-before_cache:
-  - rm ~/.cache/pip/log/debug.log
-
-python:
-  - "3.6"
-
-jobs:
-  include:
-    - name: cardboard linter
-      install:
-        - pip install --upgrade cardboardlint pylint
-      script: |
-        # Run cardboardlinter, in case of pull requests
-        if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
-          if [ "$TRAVIS_BRANCH" != "master" ]; then
-            git fetch origin $TRAVIS_BRANCH:$TRAVIS_BRANCH
-          fi
-          cardboardlinter --refspec $TRAVIS_BRANCH -n auto;
-        fi