remove codeigniter

app/Models/EarlyDismissalSignature.php

@@ -8,7 +8,7 @@ class EarlyDismissalSignature extends BaseModel
 {
     protected $table = 'early_dismissal_signatures';
 
-    // ✅ CI: timestamps enabled (created_at/updated_at)
+    // ✅ legacy: timestamps enabled (created_at/updated_at)
     public $timestamps = true;
 
     protected $fillable = [
@@ -23,7 +23,7 @@ class EarlyDismissalSignature extends BaseModel
     ];
 
     protected $casts = [
-        // report_date is stored as Y-m-d in CI validation; keep as date
+        // report_date is stored as Y-m-d in legacy validation; keep as date
         'report_date' => 'date',
 
         'file_size'   => 'integer',