remove junk
remove junk

Signed-off-by: Eric, Hsu-yao Tsai <ad8e9cf61b582456bbe32d188af06658a1707686@araisrobot.com>

araisrobo/linuxcnc,araisrobo/linuxcnc,araisrobo/linuxcnc,araisrobo/linuxcnc,araisrobo/linuxcnc