$NetBSD$

* Drop unused symbols from version script (from upstream)

--- src/libsystemd/libsystemd.sym.orig	2022-12-16 11:13:02.000000000 +0100
+++ src/libsystemd/libsystemd.sym
@@ -72,9 +72,6 @@ global:
         sd_bus_get_current_message;
         sd_bus_get_current_handler;
         sd_bus_get_current_userdata;
-        sd_bus_attach_event;
-        sd_bus_detach_event;
-        sd_bus_get_event;
         sd_bus_add_filter;
         sd_bus_add_match;
         sd_bus_add_object;