refactor: 重构buff系统，移除预定义buff列表

- 将SkillConfig.buffs字段改为直接存储BuffConf对象数组
- 移除预定义的BuffsList和相关导入引用
- 简化SCastSystem中buff应用逻辑，直接使用配置对象
- 移除CardComp中Buff/Debuff类型的图标获取逻辑
- 简化HeroAttrsComp调试日志，移除buff名称显示

assets/script/game/skill/SkillView.ts

@@ -2,7 +2,7 @@ import { _decorator, Animation, CCInteger, Collider2D, Contact2DType, UITransfor
 import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ecs/ECS";
 import { CCComp } from "../../../../extensions/oops-plugin-framework/assets/module/common/CCComp";
 import { HeroViewComp } from "../hero/HeroViewComp";
-import { BuffsList, DTType, EType, RType, SkillConfig, SkillSet } from "../common/config/SkillSet";
+import { EType, SkillConfig, SkillSet } from "../common/config/SkillSet";
 import { SDataCom } from "./SDataCom";
 import { HeroAttrsComp } from "../hero/HeroAttrsComp";
 import { DamageQueueHelper } from "../hero/DamageQueueComp";