Remove unneeded uses

Author: casperbakker

src/BaseClient.php

@@ -4,10 +4,8 @@
 
 use GuzzleHttp\Client as HttpClient;
 use GuzzleHttp\Exception\BadResponseException;
-use GuzzleHttp\Exception\ClientException;
 use GuzzleHttp\Exception\GuzzleException;
 use GuzzleHttp\Exception\ConnectException as GuzzleConnectException;
-use GuzzleHttp\Exception\RequestException;
 use GuzzleHttp\HandlerStack;
 use GuzzleHttp\Middleware;
 use Picqer\BolRetailerV10\Exception\RateLimitException;