hlwm: simplify panel

xdg-config-dir/herbstluftwm/autostart

@@ -1,6 +1,6 @@
 #!/bin/sh
 # env
-# Written in 2019 by Lucas
+# Written in 2019-2020 by Lucas
 # CC0 1.0 Universal/Public domain - No rights reserved
 #
 # To the extent possible under law, the author(s) have dedicated all
@@ -166,16 +166,6 @@ hc unlock
 
 hc detect_monitors
 
-if [ -f ~/.config/herbstluftwm/herbstpanel.sh ]; then
-	bar_height=$(($hlwm_font_height))
-	for m in $(hc list_monitors | cut -d : -f 1); do
-		hc monitor_rect "$m" | {
-			read -r x y w h
-			# `lemonbar -b` is relative from the bottom, so no need
-			# to do arithmetic in here
-			#y=$(($y + $h - $bar_height))
-			printf "%s\t%u\t%u\t%u\t%u\n" \
-			    "$m" "$x" "$y" "$w" $bar_height
-		}
-	done | sh ~/.config/herbstluftwm/herbstpanel.sh &
-fi
+for m in $(hc list_monitors | cut -d : -f 1); do
+	sh ~/.config/herbstluftwm/herbstpanel.sh "$m" &
+done