refactor: 简化尊享包Token扣减逻辑，移除多包分配与校验流程

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/Entities/PremiumPackageAggregateRoot.cs

@@ -76,23 +76,9 @@ public class PremiumPackageAggregateRoot : FullAuditedAggregateRoot<Guid>
     /// <returns>是否消耗成功</returns>
     public bool ConsumeTokens(long tokenCount)
     {
-        if (RemainingTokens < tokenCount)
-        {
-            return false;
-        }
-
-        if (!IsActive)
-        {
-            return false;
-        }
-
-        if (ExpireDateTime.HasValue && ExpireDateTime.Value < DateTime.Now)
-        {
-            return false;
-        }
-
         RemainingTokens -= tokenCount;
         UsedTokens += tokenCount;
+        
         return true;
     }