去除无用方法

_src/store/module/group.js

@@ -759,11 +759,6 @@ const group = {
           .catch(err => reject(err))
       })
     },
-    doUploadFile ({ dispatch, commit, state }, params = {}) {
-      API.session.fileUpload({
-        name: 'res'
-      })
-    },
     /**
      * 链接websocket
      * @param {Object} data