remove codeigniter

app/Models/Configuration.php

@@ -18,7 +18,7 @@ class Configuration extends BaseModel
     ];
 
     /* =========================
-     * CI method equivalents
+     * legacy method equivalents
      * ========================= */
 
     /**
@@ -94,7 +94,7 @@ class Configuration extends BaseModel
      * Backward-compatible helper (keeps your "semester" special-case).
      *
      * NOTE: In Laravel it’s better to call SemesterRangeService directly from services/controllers,
-     * but this keeps behavior consistent with the CI model.
+     * but this keeps behavior consistent with the legacy model.
      */
     public static function getConfig(string $key): ?string
     {
@@ -103,7 +103,7 @@ class Configuration extends BaseModel
         if ($key === 'semester') {
             try {
                 // If you have this service in Laravel, inject/resolve it from container.
-                // This call assumes the service constructor can accept Configuration model (like CI did).
+                // This call assumes the service constructor can accept Configuration model (like legacy did).
                 $semester = app(\App\Services\SemesterRangeService::class)->getSemesterForDate();
                 if (is_string($semester) && $semester !== '') {
                     return $semester;