fix：1、删除部分不用的资源代码。2、a面修复bug

Packages/manifest.json

@@ -5,7 +5,6 @@
     "com.unity.collab-proxy": "2.7.1",
     "com.unity.feature.development": "1.0.1",
     "com.unity.nuget.newtonsoft-json": "3.2.1",
-    "com.unity.purchasing": "5.0.1",
     "com.unity.textmeshpro": "3.0.7",
     "com.unity.timeline": "1.7.7",
     "com.unity.ugui": "1.0.0",

Packages/packages-lock.json

@@ -94,19 +94,6 @@
       "dependencies": {},
       "url": "https://packages.unity.com"
     },
-    "com.unity.purchasing": {
-      "version": "5.0.1",
-      "depth": 0,
-      "source": "registry",
-      "dependencies": {
-        "com.unity.ugui": "1.0.0",
-        "com.unity.services.core": "1.14.0",
-        "com.unity.modules.androidjni": "1.0.0",
-        "com.unity.modules.jsonserialize": "1.0.0",
-        "com.unity.modules.unitywebrequest": "1.0.0"
-      },
-      "url": "https://packages.unity.com"
-    },
     "com.unity.scriptablebuildpipeline": {
       "version": "1.21.25",
       "depth": 1,
@@ -114,17 +101,6 @@
       "dependencies": {},
       "url": "https://packages.unity.com"
     },
-    "com.unity.services.core": {
-      "version": "1.14.0",
-      "depth": 1,
-      "source": "registry",
-      "dependencies": {
-        "com.unity.modules.androidjni": "1.0.0",
-        "com.unity.nuget.newtonsoft-json": "3.2.1",
-        "com.unity.modules.unitywebrequest": "1.0.0"
-      },
-      "url": "https://packages.unity.com"
-    },
     "com.unity.settings-manager": {
       "version": "2.1.0",
       "depth": 2,