
1. Sync sphinx dependency with global requirements. It caps python 2 since sphinx 2.0 no longer supports Python 2.7. 2. Update some URLs to latest 3. Remove unncessary "==" Change-Id: Ifb6767f274806180220211fbd62e2c9e116cf535
1. Sync sphinx dependency with global requirements. It caps python 2 since sphinx 2.0 no longer supports Python 2.7. 2. Update some URLs to latest 3. Remove unncessary "==" Change-Id: Ifb6767f274806180220211fbd62e2c9e116cf535