Docs: Update converter.mil.ops documentation for linear.py (#901)
Docs: Update converter.mil.ops documentation for linear.py (#901)

Co-authored-by: Yuduo Wu <e168b5b6128036610f5c917e1da2adcf2ece972b@users.noreply.github.com>
apple/coremltools,apple/coremltools,apple/coremltools,apple/coremltools