remove path in contrcutor

Author: dmzoneill

examples/balances.php

@@ -4,7 +4,7 @@
 
 // @see home_directory_config.php
 // use config from ~/.confg/jaggedsoft/php-binance-api.json
-$api = new Binance\API( "/home/dave/.config/jaggedsoft/php-binance-api-1.json" );
+$api = new Binance\API();
 
 // Get all of your positions, including estimated BTC value
 $balances = $api->balances();