Update create_media_table.php.stub

[cleargoal]

add function down() to migration with a purpose to developer may have this when publishing the package assets

[freekmurze]

We don't use down migrations in any package / project

[cleargoal]

We don't use down migrations in any package / project

it's a pity, this caused me some inconvenience

[farishrf]

@cleargoal perhaps the goal of not including a down method is to mitigate the risk of unintended data loss in production environments if php artisan migrate:rollback were to be run by mistake.

[cleargoal]

@cleargoal perhaps the goal of not including a down method is to mitigate the risk of unintended data loss in production environments if php artisan migrate:rollback were to be run by mistake.

Good reason. Thanks!