In sceneDelegate.h displacement defaults to true but a comment says the oppposite

[David Lanier]

Description of Issue

OpenUSD/pxr/imaging/hd/sceneDelegate.h

Line 122 in f941bce

 /// \param displacement enables displacement shading, defaults to false. 

This line says displacement defaults to false but it seems that the default is true everywhere in this file.

Steps to Reproduce

System Information (OS, Hardware)

Package Versions

Build Flags

[jesschimein]

Filed as internal issue #USD-9525