FileSystemResourceManager.php
public function delete($name)
	{
		return $this->fileExists($name) ? @unlink($this->getBasePath() . DIRECTORY_SEPARATOR . $name) : false;
	}
public function delete($name)
	{
		return $this->fileExists($name) ? @unlink($this->getBasePath() . DIRECTORY_SEPARATOR . $name) : false;
	}
Removes a file
@param string $name the name of the file to remove
@return boolean