How to remove a user from system.users, which is not in any database?

Question

MongoDB

The output db.system.users.find()indicates that some user exists:

{ "_id" : "test.enduser", "user" : "enduser", "db" : "test", "credentials" : { "SCRAM-SHA-1" : { "iterationCount" : 10000, "salt" : "PdIGH8sdpJaE25ZQiD9utg==", "storedKey" : "OIzE/09S9LzpsgWsQke1zX8fmLM=", "serverKey" : "MTYEJvonuut/0qb8Ayg9Rq4J4sg=" } }, "roles" : [ { "role" : "readWrite", "db" : "wes-local" } ] }

show dbsThis user does not appear in any of the databases that I display with the command . How to remove this evil spirits and why is everything so difficult?