compositor-openwfd: Fix wfd_destroy_output
compositor-openwfd: Fix wfd_destroy_output

Dont (incorrectly) call destroy_output
from wfd_destroy_output, rather merge both.

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