luit.man: remove trailing whitespace
luit.man: remove trailing whitespace

Signed-off-by: Gaetan Nadon <8a8cc541338200f67d4d0bcb65c78b6166649462@videotron.ca>

freedesktop-unofficial-mirror/xorg__app__luit,freedesktop-unofficial-mirror/xorg__app__luit,markusn/luit,markusn/luit