pref:delete useless code

src/store/modules/user.js

@@ -75,7 +75,7 @@ const actions = {
   // user logout
   logout({ commit, state, dispatch }) {
     return new Promise((resolve, reject) => {
-      logout(state.token).then(() => {
+      logout().then(() => {
         commit('SET_TOKEN', '')
         commit('SET_ROLES', [])
         removeToken()