Remove hints from schedule_router

Partial-bug: #1353266
Partial-bug: #1356639
Co-Authored-By: Swaminathan Vasudevan <swaminathan.vasudevan@hp.com>

Change-Id: Ie6b55e5d0d70be74b19c91994e52eb1719e32fef
Merge "Remove hints from schedule_router"