Improvements: fix duplicate seeder, add missing seeders, remove redundant $with, add migration down(), optimize queries

app/Models/RadioShout.php

@@ -13,10 +13,6 @@ class RadioShout extends Model
     use BelongsToUser;
     use HasFactory;
 
-    /** @var array<int, string> */
-    #[\Override]
-    protected $with = ['user'];
-
     #[\Override]
     protected $fillable = [
         'user_id',