bye bye travis

.travis.yml

@@ -1,34 +0,0 @@
-dist: bionic
-language: php
-
-env:
-  global:
-    - SETUP=stable
-    - LOWEST=6.0
-    - COMPOSER_MEMORY_LIMIT=-1
-
-matrix:
-  fast_finish: true
-  include:
-    - php: 7.4
-      env: SETUP=lint
-      name: "Lint code"
-    - php: 7.4
-      env: COMPOSER=composer.dingo.json
-      name: "With Dingo router"
-    - php: 7.4.7
-    - php: 8.0
-    - php: 7.4
-      env: SETUP=lowest
-
-cache:
-  directories:
-    - $HOME/.composer/cache
-
-install:
-  - if [[ $SETUP = 'stable' ]]; then travis_retry composer install; fi
-  - if [[ $SETUP = 'lowest' ]]; then travis_retry composer require laravel/framework:^$LOWEST; composer require laravel/lumen-framework:^$LOWEST; fi
-  - if [[ $SETUP = 'lint' ]]; then travis_retry composer install; composer lint; fi
-
-script:
-  - if [[ $SETUP = 'lint' ]]; then exit 0; fi; composer test-parallel-ci;