Apply cs fixes

Author: bigfoot90

src/Components/UnionKeyword.php

@@ -7,7 +7,6 @@
 namespace PhpMyAdmin\SqlParser\Components;
 
 use PhpMyAdmin\SqlParser\Component;
-use PhpMyAdmin\SqlParser\Statements\SelectStatement;
 
 /**
  * `UNION` keyword builder.

src/Utils/Query.php

@@ -277,6 +277,7 @@ private static function _getFlagsSelect($statement, $flags)
         if (!empty($statement->join)) {
             $flags['join'] = true;
         }
+
         return $flags;
     }