[5.2] Remove default APP_KEY value
[5.2] Remove default APP_KEY value

Signed-off-by: crynobone <e1a543840a942eb68427510a8a483282a7bfeddf@gmail.com>

orckid-lab/dashboard,hackel/laravel,zeropingheroes/lanyard,beautifultable/phpwind,cbnuke/FilesCollection,zeropingheroes/lanyard,slimkit/thinksns-plus,cbnuke/FilesCollection,zeropingheroes/lanyard,zhiyicx/thinksns-plus,orckid-lab/dashboard,slimkit/thinksns-plus,tinywitch/laravel,beautifultable/phpwind,remxcode/laravel-base,hackel/laravel,zhiyicx/thinksns-plus,remxcode/laravel-base,hackel/laravel