Apply fixes from StyleCI

spawnia · StyleCIBot · commit 91f80db95581 · 2020-08-05T16:11:43.000Z
diff --git a/src/RequestParser.php b/src/RequestParser.php
@@ -4,7 +4,6 @@
 
 namespace Laragraph\LaravelGraphQLUtils;
 
-use GraphQL\Error\InvariantViolation;
 use GraphQL\Server\Helper;
 use GraphQL\Server\OperationParams;
 use GraphQL\Server\RequestError;
