Once v3.0 of the BSON library has been tagged, the driver should be updated to use it:
1) Delete all BSON source code and tests from the driver
2) Add the new library to our Package.swift and add import BSON where appropriate throughout our source code
3) Update our list of re-exports to re-export the entire BSON library API
Note that this work will have already been done in
SWIFT-935 as part of our testing that the API hasn't changed, so the work there can be reused here.