clean up scripts

.config/polybar/scripts/updates-fwupdmgr.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+fwupdmgr refresh >> /dev/null 2>&1
+
+updates=$(fwupdmgr get-updates 2> /dev/null | grep -c "Updatable")
+
+if [ "$updates" -gt 0 ]; then
+    echo "# $updates"
+else
+    echo ""
+fi