remove unused factory import

Author: shortcuts

templates/php/api.mustache

@@ -6,7 +6,6 @@ use {{invokerPackage}}\Algolia;
 use {{invokerPackage}}\ApiException;
 use {{invokerPackage}}\Configuration\{{configClassname}};
 use {{invokerPackage}}\ObjectSerializer;
-use {{invokerPackage}}\RequestOptions\RequestOptionsFactory;
 use {{invokerPackage}}\RetryStrategy\ApiWrapper;
 use {{invokerPackage}}\RetryStrategy\ApiWrapperInterface;
 use {{invokerPackage}}\RetryStrategy\ClusterHosts;