updated travis yml

Author: kokspflanze

.travis.yml

@@ -70,11 +70,10 @@ before_install:
 
 install:
   - if [[ $DEPS == 'latest' ]]; then travis_retry composer update $COMPOSER_ARGS ; fi
-  - if [[ $DEPS == 'lowest' ] && [ $TRAVIS_PHP_VERSION !~ ^5.6 ]]; then travis_retry composer update --prefer-lowest --prefer-stable $COMPOSER_ARGS ; fi
-  - if [[ $DEPS == 'lowest' ] && [ $TRAVIS_PHP_VERSION =~ ^5.6 ]]; then travis_retry composer update --prefer-lowest --prefer-stable $COMPOSER_ARGS --with-dependencies $LEGACY_DEPS ; fi
+  - if [[ $DEPS == 'lowest' ]]; then travis_retry composer update --prefer-lowest --prefer-stable $COMPOSER_ARGS ; fi
   - if [[ $TEST_COVERAGE == 'true' ]]; then travis_retry composer require --dev $COMPOSER_ARGS satooshi/php-coveralls:^1.0 ; fi
-  - if [[ $DEPS == 'locked' ]]; then travis_retry composer install $COMPOSER_ARGS ; fi
-  - if [[ $DEPS == 'locked' ] && [ $TRAVIS_PHP_VERSION =~ ^5.6 ]]; then travis_retry composer install $COMPOSER_ARGS --with-dependencies $LEGACY_DEPS ; fi
+  - travis_retry composer install $COMPOSER_ARGS
+  - if [[ $TRAVIS_PHP_VERSION =~ ^5.6 ]; then travis_retry composer install $COMPOSER_ARGS --with-dependencies $LEGACY_DEPS ; fi
   - composer show --installed
 
 script: