add delete

resource/locales/en_US/admin/admin.json

@@ -288,6 +288,7 @@
       "discard": "Discard",
       "generate": "Generate"
     },
+    "delete": "Delete",
     "cooperation_method": "Cooperation method",
     "official_bot_settings": "Official bot Settings",
     "custom_bot_without_proxy_settings": "Custom Bot without proxy Settings",

resource/locales/ja_JP/admin/admin.json

@@ -286,6 +286,7 @@
       "discard": "破棄",
       "generate": "発行"
     },
+    "delete": "削除",
     "cooperation_method": "連携手順",
     "custom_bot_without_proxy_settings": "Custom Bot (Without-Proxy) 設定",
     "accordion": {

resource/locales/zh_CN/admin/admin.json

@@ -296,6 +296,7 @@
       "discard": "丢弃",
       "generate": "生成"
     },
+    "delete": "取消",
     "cooperation_method": "协作程序",
     "custom_bot_without_proxy_settings": "Custom Bot (Without-Proxy) 设置",
     "accordion": {

src/client/js/components/Admin/SlackIntegration/CustomBotWithProxySettings.jsx

@@ -28,7 +28,7 @@ const CustomBotWithProxySettings = (props) => {
       <button
         className="mx-3 pull-right btn text-danger border-danger"
         type="button"
-      >{t('admin:slack_integration.reset')}
+      >{t('admin:slack_integration.delete')}
       </button>
       <div className="my-5 mx-3">
         <CustomBotWithProxySettingsAccordion />