clean up scripts

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

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+updates=$(flatpak update 2>/dev/null | tail -n +5 | grep -Ecv "^$|^Proceed|^Nothing")
+
+if [ "$updates" -gt 0 ]; then
+    echo "flatpak: $updates"
+else
+    echo ""
+fi