Fix: disable bills query

lib/new-admin/bills.js

@@ -2,7 +2,8 @@ const db = require('../db')
 
 // Get all bills with device id
 const getBills = () => {
-  return db.any(`
+  return Promise.reject(new Error('This functionality hasn\'t been implemented yet'))
+/*   return db.any(`
   SELECT d.device_id, b.fiat, b.created, d.cashbox
     FROM cash_in_txs
       INNER JOIN bills AS b ON b.cash_in_txs_id = cash_in_txs.id
@@ -16,7 +17,7 @@ const getBills = () => {
         cashbox: item.cashbox,
         created: item.created
       }))
-    })
+    }) */
 }
 
 module.exports = {