remove codeigniter

app/Models/ClassSection.php

@@ -9,10 +9,10 @@ use Illuminate\Support\Facades\DB;
 class ClassSection extends BaseModel
 {
     use HasFactory;
-    // CI table name is "classSection"
+    // legacy table name is "classSection"
     protected $table = 'classSection';
 
-    // ✅ CI: useTimestamps = true
+    // ✅ legacy: useTimestamps = true
     public $timestamps = true;
 
     protected $fillable = [
@@ -48,11 +48,11 @@ class ClassSection extends BaseModel
     }
 
     /* =========================
-     * CI method equivalents
+     * legacy method equivalents
      * ========================= */
 
     /**
-     * Get class sections with class name (like CI join result).
+     * Get class sections with class name (like legacy join result).
      * Returns array of rows: class_section_id, class_section_name, class_name
      */
     public static function getClassSections(): array