chore: 清理无用的技能特效资源并调整部分配置

本次提交清理了多个废弃的buff、攻击特效的prefab和动画资源，包括down、dun_jin、dun_red、fire_wall等系列资源；同时调整了card预制体激活状态、部分技能预制体的精灵帧引用和尺寸模式，修复了fire_yuns动画的时长并新增了相关节点配置。

assets/resources/game/skill/buff/shielded.prefab

@@ -20,22 +20,19 @@
     "_children": [
       {
         "__id__": 2
-      },
-      {
-        "__id__": 8
       }
     ],
     "_active": true,
     "_components": [
       {
-        "__id__": 14
+        "__id__": 8
       },
       {
-        "__id__": 16
+        "__id__": 10
       }
     ],
     "_prefab": {
-      "__id__": 18
+      "__id__": 12
     },
     "_lpos": {
       "__type__": "cc.Vec3",
@@ -205,142 +202,6 @@
     "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
   },
-  {
-    "__type__": "cc.Node",
-    "_name": "bd1",
-    "_objFlags": 0,
-    "__editorExtras__": {},
-    "_parent": {
-      "__id__": 1
-    },
-    "_children": [],
-    "_active": false,
-    "_components": [
-      {
-        "__id__": 9
-      },
-      {
-        "__id__": 11
-      }
-    ],
-    "_prefab": {
-      "__id__": 13
-    },
-    "_lpos": {
-      "__type__": "cc.Vec3",
-      "x": 0,
-      "y": 29.758,
-      "z": 0
-    },
-    "_lrot": {
-      "__type__": "cc.Quat",
-      "x": 0,
-      "y": 0,
-      "z": 0,
-      "w": 1
-    },
-    "_lscale": {
-      "__type__": "cc.Vec3",
-      "x": 0.6,
-      "y": 0.6,
-      "z": 1
-    },
-    "_mobility": 0,
-    "_layer": 1,
-    "_euler": {
-      "__type__": "cc.Vec3",
-      "x": 0,
-      "y": 0,
-      "z": 0
-    },
-    "_id": ""
-  },
-  {
-    "__type__": "cc.UITransform",
-    "_name": "",
-    "_objFlags": 0,
-    "__editorExtras__": {},
-    "node": {
-      "__id__": 8
-    },
-    "_enabled": true,
-    "__prefab": {
-      "__id__": 10
-    },
-    "_contentSize": {
-      "__type__": "cc.Size",
-      "width": 140,
-      "height": 80
-    },
-    "_anchorPoint": {
-      "__type__": "cc.Vec2",
-      "x": 0.5,
-      "y": 0.5
-    },
-    "_id": ""
-  },
-  {
-    "__type__": "cc.CompPrefabInfo",
-    "fileId": "6ddat2wt5BrrgXLQtOBT2e"
-  },
-  {
-    "__type__": "cc.Sprite",
-    "_name": "",
-    "_objFlags": 0,
-    "__editorExtras__": {},
-    "node": {
-      "__id__": 8
-    },
-    "_enabled": true,
-    "__prefab": {
-      "__id__": 12
-    },
-    "_customMaterial": null,
-    "_srcBlendFactor": 2,
-    "_dstBlendFactor": 4,
-    "_color": {
-      "__type__": "cc.Color",
-      "r": 255,
-      "g": 255,
-      "b": 255,
-      "a": 255
-    },
-    "_spriteFrame": {
-      "__uuid__": "3d46f945-3f07-477e-a95a-b49557d552c6@a1295",
-      "__expectedType__": "cc.SpriteFrame"
-    },
-    "_type": 0,
-    "_fillType": 0,
-    "_sizeMode": 1,
-    "_fillCenter": {
-      "__type__": "cc.Vec2",
-      "x": 0,
-      "y": 0
-    },
-    "_fillStart": 0,
-    "_fillRange": 0,
-    "_isTrimmedMode": true,
-    "_useGrayscale": false,
-    "_atlas": null,
-    "_id": ""
-  },
-  {
-    "__type__": "cc.CompPrefabInfo",
-    "fileId": "a3uKPSs/FEhakvLR8kabs9"
-  },
-  {
-    "__type__": "cc.PrefabInfo",
-    "root": {
-      "__id__": 1
-    },
-    "asset": {
-      "__id__": 0
-    },
-    "fileId": "33/DXpxXdLHLHcRuMJV8OF",
-    "instance": null,
-    "targetOverrides": null,
-    "nestedPrefabInstanceRoots": null
-  },
   {
     "__type__": "cc.UITransform",
     "_name": "",
@@ -351,7 +212,7 @@
     },
     "_enabled": true,
     "__prefab": {
-      "__id__": 15
+      "__id__": 9
     },
     "_contentSize": {
       "__type__": "cc.Size",
@@ -379,7 +240,7 @@
     },
     "_enabled": true,
     "__prefab": {
-      "__id__": 17
+      "__id__": 11
     },
     "playOnLoad": true,
     "_clips": [