Apply fixes from StyleCI (#192)

Co-authored-by: StyleCI Bot <[email protected]>

Author: CodeDredd

src/Client/Request.php

@@ -9,10 +9,6 @@
 use Soap\Psr18Transport\HttpBinding\SoapActionDetector;
 use Soap\Xml\Locator\SoapBodyLocator;
 use VeeWee\Xml\Dom\Document;
-use function VeeWee\Xml\Dom\Configurator\optimize_namespaces;
-use function VeeWee\Xml\Dom\Configurator\pretty_print;
-use function VeeWee\Xml\Dom\Configurator\utf8;
-use function VeeWee\Xml\Encoding\xml_decode;
 
 /**
  * Class Request.