Remove nix-shell shebang from autostart-manage

.bin/autostart-manage

@@ -1,6 +1,4 @@
-#!/usr/bin/env nix-shell
-#!nix-shell -i bash -p dasel hostname
-# shellcheck shell=bash
+#!/usr/bin/env bash
 
 _systemctl () {
 	systemctl --user "${@:2}" "autostart@$1.service"
@@ -61,8 +59,10 @@ _autostart_manage_enable_all () {
 }
 
 _get_autostart_cmd () {
+	hostname=$(cat /proc/sys/kernel/hostname)
+
 	selector_base="all()"
-	selector_host="all().filter(equal(type(),object)).filter(equal(key(),$(hostname))).all()"
+	selector_host="all().filter(equal(type(),object)).filter(equal(key(),$hostname)).all()"
 	selector_entry="filter(not(equal(type(),object))).filter(equal(key(),$1))"
 	cmd=$(_dasel "$selector_base.$selector_entry")
 	cmd_local=$(_dasel "$selector_host.$selector_entry")