unifdef-y and header-y has same semantic. So there is no need to have both.
Drop the unifdef-y variant and sort all lines again
Signed-off-by: Sam Ravnborg
header-y += asequencer.h header-y += asound.h header-y += asound_fm.h header-y += emu10k1.h header-y += hdsp.h header-y += hdspm.h header-y += sb16_csp.h header-y += sfnt_info.h