Travis: Disable max memory_limit

tests/travis/php-config.ini

@@ -2,5 +2,5 @@
 ; see http://docs.travis-ci.com/user/languages/php/#Custom-PHP-configuration
 date.timezone = Europe/Paris
 phar.readonly = Off
-memory_limit = 8096M
+memory_limit = 4096M
 max_execution_time = 3600

tests/travis/setup-php-fpm.sh

@@ -18,7 +18,7 @@ sudo sed -e "s?;error_log = log/php-fpm.log?error_log = /var/log/php-fpm.log?g"
 echo "cgi.fix_pathinfo = 1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
 echo "always_populate_raw_post_data = -1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
 echo "error_log = /var/log/php-fpm.log" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
-echo "memory_limit = 8G" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
+echo "memory_limit = 4G" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
 echo "max_execution_time = 3600" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
 
 # Starting PHP FPM