Remove monitor op from stonith-sbd

[wtmpx]

I removed op monitor interval="15" timeout="15" from stonith-sbd.
With multiple SBD disks, in case one disk failed, the monitor operation will detect a failure and pacemaker will try to restart stonith-sbd resource on all node and the start will fail and stonith-sbd become inactive.
stonith-sbd (stonith:external/sbd): Stopped

Removing above monitor operation, the system will log failure messages in logs but resource will not restart.
Oct 25 11:42:38 ora1 sbd[3034]: warning: inquisitor_child: Servant /dev/disk/by-path/ip-192.168.0.10:3260-iscsi-iqn.2019-11.sbd.local:ora1-sbd-2-lun-1 is outdated (age: 4)
Oct 25 11:42:38 ora1 sbd[3035]: /dev/disk/by-path/ip-192.168.0.10:3260-iscsi-iqn.2019-11.sbd.local:ora1-sbd-2-lun-1: error: header_get: Unable to read header from device 5
Oct 25 11:42:38 ora1 sbd[3035]: /dev/disk/by-path/ip-192.168.0.10:3260-iscsi-iqn.2019-11.sbd.local:ora1-sbd-2-lun-1: error: servant_md: No longer found a valid header on /dev/disk/by-path/ip-192.168.0.10:3260-iscsi-iqn.2019-11.sbd.local:ora1-sbd-2-lun-1

Also, in our HAE documentation we don't advice customer to us op monitor for stonith-sbd resource:
https://documentation.suse.com/sle-ha/15-SP3/single-html/SLE-HA-administration/#book-administration

Thanks

[PRMerger18]

@wtmpx : Thanks for your contribution! The author(s) have been notified to review your proposed change.

[lauradolan]

Thanks for your dedication to our documentation. Unfortunately, at this time we have been unable to review your issue in a timely manner and we sincerely apologize for the delayed response. The requested updates have not been made since the creation of this issue, and the timeline for resolution may vary based on resourcing, so we've created an internal work item to review your suggestions. We are closing this issue for now, but feel free to comment here as necessary. #please-close