clean up scripts

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

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+updates=$(apt list --upgradable 2> /dev/null | grep -c upgradable);
+
+if [ "$updates" -gt 0 ]; then
+    echo "# $updates"
+else
+    echo ""
+fi