Remove "only" use.

Author: hackergrrl

src/files.js

@@ -11,7 +11,7 @@ const concat = require('concat-stream')
 const through = require('through2')
 
 module.exports = (common) => {
-  describe.only('.files', () => {
+  describe('.files', () => {
     let smallFile
     let bigFile
     let directoryContent