Update file_remover.php for RC5

Added
"config/auth_providers.yml",
"config/avatars.yml",
"config/cron_tasks.yml",
"config/migrator.yml",
"config/mimetype_guessers.yml",
"config/notifications.yml",
"config/passwords.yml",
"config/profilefields.yml",
"phpbb/di/pass/kernel_pass.php",