CAS-6994: Remove --dev for composer.phar as it's deprecated and used …

…by default

.travis.yml

@@ -1,14 +1,14 @@
 language: php
 php:
-- 7.2
+  - 7.2
 before_script:
-- curl -s http://getcomposer.org/installer | php
-- php composer.phar install --dev --no-interaction
+  - curl -s http://getcomposer.org/installer | php
+  - php composer.phar install --no-interaction
 script:
-- mkdir -p build/logs
-- php vendor/bin/phpunit -c phpunit.xml
+  - mkdir -p build/logs
+  - php vendor/bin/phpunit -c phpunit.xml
 after_script:
-- php vendor/bin/php-coveralls -v
+  - php vendor/bin/php-coveralls -v
 notifications:
   slack:
     secure: d6VHA/1HeSMhxNJSKwm0SisupkIw+BP3y97IUp8wCdLaLO5y7fIRF7g35cZbbzMOTaFYUIXabfPuyzCTA1+1JvbgbJ8ykr2/g8LmThe5MXxLvMXtKH2A/qCmQ0TGZ7rMRxjAm14X28920n1vyc+bu5McMZsOnKnACz/SmTnrbKs=