Removed minimum stability

Author: dantleech

.travis.yml

@@ -82,11 +82,9 @@ matrix:
         - PREFER=""
         - BEHAT_SUITE=cli
         - SYMFONY_VERSION=^5.0
-        - MINIMUM_STABILITY=dev
 
 before_script:
     - composer self-update
-    - if [[ "$MINIMUM_STABILITY" ]]; then composer config minimum-stability $MINIMUM_STABILITY ; fi
     - composer require "symfony/symfony" "$SYMFONY_VERSION" --no-update
     - composer update $PREFER
     - bash tests/bin/travis_jackrabbit.sh