Remove now unused methods in Share.php due to the reduced code complexity in Share::getItems
Remove now unused methods in Share.php due to the reduced code complexity in Share::getItems

Signed-off-by: Morris Jobke <7f550a9f4c44173a37664d938f1355f0f92a47a7@morrisjobke.de>

nextcloud/server,nextcloud/server,nextcloud/server,nextcloud/server