refactor(internal/server): 移除游戏盾存在性检查的 IP白名单中间件

移除了 /gameShield/IsExistKey端点上的 ipAllowlistMiddleware 中间件，以简化游戏盾存在性检查的处理流程。

internal/server/http.go

@@ -89,7 +89,7 @@ func NewHTTPServer(
 			noAuthRouter.POST("/gameShield/edit", ipAllowlistMiddleware, gameShieldHandler.EditGameShield)
 			noAuthRouter.POST("/gameShield/delete", ipAllowlistMiddleware, gameShieldHandler.DeleteGameShield)
 			noAuthRouter.POST("/gameShield/getOnline", ipAllowlistMiddleware, gameShieldHandler.GetGameShieldOnlineList)
-			noAuthRouter.POST("/gameShield/IsExistKey", ipAllowlistMiddleware, gameShieldHandler.IsExistGameShieldKey)
+			noAuthRouter.POST("/gameShield/IsExistKey", gameShieldHandler.IsExistGameShieldKey)
 			noAuthRouter.POST("/webForward/add", ipAllowlistMiddleware, webForwardingHandler.AddWebForwarding)
 			noAuthRouter.POST("/webForward/edit", ipAllowlistMiddleware, webForwardingHandler.EditWebForwarding)
 			noAuthRouter.POST("/webForward/delete", ipAllowlistMiddleware, webForwardingHandler.DeleteWebForwarding)