Fixing issue where JWE parent encryption node isn't removed

[rfeelin]

PR checklist

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Description

Current when decrypted left over encryption fields remain.
IE

{encryptedPhoneNumber : { encryptedData : akjsdfbalvfdlbgkadfg}}

would result in

{encryptedPhoneNumber : { }, phoneNumber :{}}

this makes it so it's like

{phoneNumber :{}}