fs: runtime deprecation for fs.SyncWriteStream
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
documentation is changed or added -
commit message follows commit guidelines
Affected core subsystem(s)
fs
Description of change
This API was never intended to be made public and was docs-only deprecated in Node.js 6.x. This upgrades to a runtime deprecation for Node.js 8.0.0