remove codeigniter

app/Models/MissingScoreOverride.php

@@ -9,7 +9,7 @@ class MissingScoreOverride extends BaseModel
 {
     protected $table = 'missing_score_overrides';
 
-    // ✅ CI: useTimestamps = true (created_at/updated_at)
+    // ✅ legacy: useTimestamps = true (created_at/updated_at)
     public $timestamps = true;
 
     protected $fillable = [
@@ -34,7 +34,7 @@ class MissingScoreOverride extends BaseModel
     ];
 
     /**
-     * Equivalent of CI getOverridesMap()
+     * Equivalent of legacy getOverridesMap()
      * Returns: [student_id => [item_index => true]]
      */
     public static function getOverridesMap(int $classSectionId, string $semester, string $schoolYear, string $itemType): array
@@ -65,7 +65,7 @@ class MissingScoreOverride extends BaseModel
     }
 
     /**
-     * Equivalent of CI replaceOverrides()
+     * Equivalent of legacy replaceOverrides()
      * Deletes matching overrides then inserts checked items.
      */
     public static function replaceOverrides(
@@ -109,7 +109,7 @@ class MissingScoreOverride extends BaseModel
                 if (!empty($itemIndexes)) {
                     $q->whereIn('item_index', array_map('intval', $itemIndexes));
                 } else {
-                    // CI behavior: if itemIndexes is provided but empty, do nothing.
+                    // legacy behavior: if itemIndexes is provided but empty, do nothing.
                     return;
                 }
             } elseif ($nullIndex) {