Do not install the new helpers macro header file.
Do not install the new helpers macro header file.

Signed-off-by: Jon A. Cruz <d4ae605477945a543a3ecda8955c93978db16a84@osg.samsung.com>
Reviewed-by: Pekka Paalanen <0f6ae7001e34c37b02fb2c1c2573ddf8f442136a@collabora.co.uk>

giucam/weston,giucam/weston,krezovic/weston,kwm81/weston,kwm81/weston,Fantu/compositor-spice,xorgy/weston,jonnylamb/weston,mchalupa/weston,Tarnyko/weston-xdg_surface_present,sir-murray/weston,udoprog/weston,eyolfson/weston,Gnurou/weston,mchalupa/weston,xorgy/weston,krezovic/weston,udoprog/weston,Tarnyko/weston-xdg_surface_present,sir-murray/weston,Fantu/compositor-spice,Fantu/compositor-spice,jonnylamb/weston,Gnurou/weston,eyolfson/weston