Creating this task for the record.
The following grants have been removed from m5, as they belonged to old and reused IPs and no longer to mwmaint* hosts (see parent tasks)
https://gerrit.wikimedia.org/r/1228507
And ran:
cumin2024@db1164.eqiad.wmnet[(none)]> drop user if exists 'toolhub_admin'@'10.64.16.77'; Query OK, 0 rows affected (0.002 sec) cumin2024@db1164.eqiad.wmnet[(none)]> drop user if exists 'toolhub_admin'@'10.192.32.34'; Query OK, 0 rows affected (0.002 sec) cumin2024@db1164.eqiad.wmnet[(none)]> drop user if exists `striker_admin`@`10.64.16.77`; Query OK, 0 rows affected (0.002 sec) cumin2024@db1164.eqiad.wmnet[(none)]> drop user if exists 'striker_toolsbeta_admin'@'10.64.16.77'; Query OK, 0 rows affected (0.002 sec)