remove codeigniter

app/Models/Payment.php

@@ -10,7 +10,7 @@ class Payment extends BaseModel
     protected $table = 'payments';
 
     /**
-     * CI: useTimestamps = false because DB handles created_at/updated_at (defaults/triggers).
+     * legacy: useTimestamps = false because DB handles created_at/updated_at (defaults/triggers).
      * Keep OFF in Laravel too.
      */
     public $timestamps = false;
@@ -58,7 +58,7 @@ class Payment extends BaseModel
     }
 
     /* =========================
-     * CI method equivalents
+     * legacy method equivalents
      * ========================= */
 
     public static function getPaymentsByParentId(int $parentId): array
@@ -135,7 +135,7 @@ class Payment extends BaseModel
 
     /**
      * Get latest payment (date/amount/status) per invoice for given invoice IDs.
-     * Matches your CI logic: statuses in ['Full','Paid','Partially Paid'].
+     * Matches your legacy logic: statuses in ['Full','Paid','Partially Paid'].
      */
     public static function getPaymentsByInvoice($invoiceIds): array
     {