refactor: removes getBodyString method

Author: JasonTheAdams

src/Providers/Http/DTO/Request.php

@@ -280,18 +280,6 @@ public function getData(): ?array
         return $this->data;
     }
 
-    /**
-     * Gets the request body string.
-     *
-     * @since n.e.x.t
-     *
-     * @return string|null The request body string.
-     */
-    public function getBodyString(): ?string
-    {
-        return $this->body;
-    }
-
     /**
      * {@inheritDoc}
      *