Drop the fix_db_cache setting
This setting was added to handle some migrations back in 2014 and isn't really used anywhere else. We can safely drop it.
Fixes #33906 - Drop fix_db_cache setting
This setting was introduced when the current permissions model was
introduced in Foreman 1.7 to allow recreating the user permissions cache
after the migration from the previous model. The setting has no other
If a user wants to manually recreate the permissions cache for some
reason, the rake task remains available, but it is no longer
The migration converting the premissions from the old model to the new
one has been emptied, on a new install there will not be any permissions
in the old model and any upgrades will have already executed this
migration by now.