remove unused path variable

readme.markdown

@@ -447,11 +447,10 @@ $ node object.js test/x.js test/y.js
 {"type":"end","test":2}
 ```
 
-An convenient alternative to achieve the same:
+A convenient alternative to achieve the same:
 ```js
 // report.js
 var test = require('tape');
-var path = require('path');
 
 test.createStream({ objectMode: true }).on('data', function (row) {
     console.log(JSON.stringify(row)) // for example