public function revoke() {
// Set Gdrive client
$gdrive = new ServMaskGdriveClient(
get_option( 'ai1wmge_gdrive_token' ),
get_option( 'ai1wmge_gdrive_ssl', true )
);
// Revoke token
$gdrive->revoke();
// Remove token option
delete_option( 'ai1wmge_gdrive_token' );
}