application/Espo/Core/Upgrades/Actions/Base.php
protected function deletePackageFiles()
    {
        $packagePath = $this->getPackagePath();
        $res = $this->getFileManager()->removeInDir($packagePath, true);

        return $res;
    }
protected function deletePackageFiles()
    {
        $packagePath = $this->getPackagePath();
        $res = $this->getFileManager()->removeInDir($packagePath, true);

        return $res;
    }
protected function deletePackageFiles ( ) { $ packagePath = $ this -> getPackagePath ( ) ; $ res = $ this -> getFileManager ( ) -> removeInDir ( $ packagePath , true ) ; return $ res ; }
Delete temporary package files

@return boolean
Delete temporary package files