docs(README): Fix ExtractTextPlugin example (#590)

There was an extra `]` in the example
webpack-contrib · Aug 13, 2017 · b92c941 · b92c941
1 parent 3440d55
commit b92c941
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -488,7 +488,6 @@ module.exports = {
         })
       ]
     : []
-  ]
 }
 ```