galene: remove deprecated option max-users

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Status Job ID Name Coverage
  External
passed SlapOS.SlapRunner.ResilienceTest-Master

00:25:00

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:14:49

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python2

13:03:14

passed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

05:13:48

passed SlapOS.SlapRunner.ResilienceTest-Master

00:27:45

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:12:51