clean up scripts

.config/polybar/scripts/system-fan-speed.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+speed=$(sensors | grep fan1 | awk '{print $2; exit}')
+
+if [ "$speed" != "" ]; then
+    speed_round=$(echo "$speed/1000" | bc -l | LANG=C xargs printf "%.1f\n")
+    echo "# $speed_round"
+else
+   echo "#"
+fi