Fix file permissions
Fix file permissions

PHP files don't need to have the executable bit, so they should have chmod 644

Bug: https://phabricator.wikimedia.org/T104407

jmgq/lightncandy,jmgq/lightncandy,zordius/lightncandy,zordius/lightncandy,cgvarela/lightncandy,cgvarela/lightncandy