Already did it. Obviously, the changes are tiny. You might save a tiny bit of intake air temp/density post-MAF-sensor, maybe, at certain brief times before the whole area becomes heat-soaked anyways. And get a few extra hoses out of the engine bay. On the other hand it's easy.
Some discussion here:
Intake manifold / throttle bodies
And the DIY here:
DIY: TB Coolant Delete