Remove dangerous task shortcut

dotfiles/i3/config

 bindsym $mod+m              exec "$spn bmo menu status"
 bindsym $mod+Shift+m        exec "i3-dmenu-desktop --dmenu='bmo dmenu'"
 bindsym $mod+o              exec "$spn bmo menu context"
-bindsym $mod+Shift+o        exec "task context none"
 
 
 #------------------------------------------------------------------------#