MONGOID-4842 Mark functionality only used with legacy driver versions deprecated (#4891)
MONGOID-4842 Mark functionality only used with legacy driver versions deprecated (#4891)

* Do not expose drivers query cache table in Mongoid

* Mark functionality only used with legacy driver versions deprecated

Co-authored-by: Oleg Pudeyev <20b70f0af00562e63758b9ee42012ecc96c58590@bsdpower.com>
mongodb/mongoid,mongodb/mongoid,mongodb/mongoid