perf: 删除不必要的图片

assets/resources/anim/xiaoguai/4/attack/guai_4_attack.anim

@@ -1,7 +1,7 @@
 [
   {
     "__type__": "cc.AnimationClip",
-    "_name": "guai_2_attack",
+    "_name": "guai_4_attack",
     "_objFlags": 0,
     "__editorExtras__": {
       "embeddedPlayerGroups": []
@@ -11,7 +11,7 @@
     "speed": 1,
     "wrapMode": 2,
     "enableTrsBlending": false,
-    "_duration": 0.5166666666666667,
+    "_duration": 0,
     "_hash": 500763545,
     "_tracks": [
       {
@@ -60,45 +60,8 @@
   },
   {
     "__type__": "cc.ObjectCurve",
-    "_times": [
-      0,
-      0.08333333333333333,
-      0.16666666666666666,
-      0.25,
-      0.3333333333333333,
-      0.4166666666666667,
-      0.5
-    ],
-    "_values": [
-      {
-        "__uuid__": "f2cb28e2-7382-455f-ab3a-175816b17b9d@f9941",
-        "__expectedType__": "cc.SpriteFrame"
-      },
-      {
-        "__uuid__": "043c013b-9ff6-4ff3-82a4-696ebc9814df@f9941",
-        "__expectedType__": "cc.SpriteFrame"
-      },
-      {
-        "__uuid__": "6d3c81e8-f4c2-46a8-bb80-4b80462de670@f9941",
-        "__expectedType__": "cc.SpriteFrame"
-      },
-      {
-        "__uuid__": "0dc81090-a878-4392-b8d2-eda640c30951@f9941",
-        "__expectedType__": "cc.SpriteFrame"
-      },
-      {
-        "__uuid__": "67d181a5-6dd6-493a-9110-5c00f6926c13@f9941",
-        "__expectedType__": "cc.SpriteFrame"
-      },
-      {
-        "__uuid__": "ac0d5261-f586-4f9c-8736-e5a6339ff8e6@f9941",
-        "__expectedType__": "cc.SpriteFrame"
-      },
-      {
-        "__uuid__": "fabdedb2-fc49-4a28-8719-bbbeb0ec6527@f9941",
-        "__expectedType__": "cc.SpriteFrame"
-      }
-    ]
+    "_times": [],
+    "_values": []
   },
   {
     "__type__": "cc.AnimationClipAdditiveSettings",