Revert "Fix links to waterfall charts."

This reverts commit 1b5a2b3197e3c00711b2b9ede86096f4da7b6b41.
Revert "Revert "Fix links to waterfall charts.""

This reverts commit f2d6bf1d0aa9dbf0d6dbca3d64d1d17052bd8fa2.