Remove sudo

Author: RemiCollin

.travis.yml

@@ -39,7 +39,7 @@ before_script:
   - if [[ ${TRAVIS_PHP_VERSION:0:2} == "7." ]]; then pecl install -f mongodb-${DRIVER_VERSION}; fi
   - if [[ ${TRAVIS_PHP_VERSION:0:2} == "7." ]]; then composer config "platform.ext-mongo" "1.6.16" && composer require "alcaeus/mongo-php-adapter=${ADAPTER_VERSION}"; fi
   - mysql -e 'create database unittest;'
-  - sudo service mongod start
+  - service mongod start
   - travis_retry composer self-update
   - travis_retry composer install --no-interaction