Remove useless cast (string) and @var doc

Author: samsonasik

lib/PhpParser/Node/MatchArm.php

@@ -8,7 +8,6 @@
 class MatchArm extends NodeAbstract {
     /** @var null|list<Node\Expr> */
     public ?array $conds;
-    /** @var Node\Expr */
     public Expr $body;
 
     /**

lib/PhpParser/NodeDumper.php

@@ -145,7 +145,7 @@ protected function dumpRecursive($node, bool $indent = true): void {
         } elseif ($node instanceof Comment) {
             $this->res .= \str_replace("\n", $this->nl, $node->getReformattedText());
         } elseif (\is_string($node)) {
-            $this->res .= \str_replace("\n", $this->nl, (string)$node);
+            $this->res .= \str_replace("\n", $this->nl, $node);
         } elseif (\is_int($node) || \is_float($node)) {
             $this->res .= $node;
         } elseif (null === $node) {