feat: improved mutability checks for personal data in edit or create mode

src/Service/TravelDataService.php

@@ -586,21 +586,6 @@ class TravelDataService
         }
     }
 
-    /**
-     * Fetch availability data with short-term caching.
-     *
-     * @deprecated Use getAvailabilityData($dateId, cached: true) instead
-     *
-     * @param int $dateId The travel date ID for API call
-     * @param int $ttl    Cache TTL in seconds (default: 60 seconds)
-     *
-     * @return BaseData|null The availability data or null if not available or error occurred
-     */
-    public function getAvailabilityDataCached(int $dateId, int $ttl = 60): ?BaseData
-    {
-        return $this->getAvailabilityData($dateId, cached: true, ttl: $ttl);
-    }
-
     /**
      * Apply availability data to travel services.
      *