Sara Arjona c654e35007 MDL-63677 core_user: Avoid redirection during signup
Purge cache just for the current user to avoid redirection when 2
simultaneous users try to sign up at the same time and some policy
has to be agreed.
The 'createduser' invalidation event has been removed also because
is not used any more.
Thanks John Azinheira for spotting it!
2019-01-11 10:20:59 +01:00
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