That is correct, the feature is deprecated but not removed. That means that Microsoft is respecting the inclusion of this code for the continuity of funtionality but will not realease any update, security path or improvement.
As per the official article, there is no specific date for remova, just "When this feature is eventually removed, ..."
as referenced in : https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/hh831568(v=ws.11)#printing
Hope this helps with your query,
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