Remove call to deprecated g_thread_init()

The documentation for glib says: "g_thread_init has been deprecated
since version 2.32 and should not be used in newly-written code. This
function is no longer necessary. The GLib threading system is
automatically initialized at the start of your program."

[dsme] Remove call to deprecated g_thread_init()

dsme/dsme-server.c

@@ -261,8 +261,6 @@ int main(int argc, char *argv[])
       fprintf(stderr, ME "Couldn't set dynamic priority: %s\n", strerror(errno));
   }
 
-  g_thread_init(0); /* notice that this spawns a thread */
-
   parse_options(argc, argv, &module_names);
 
   if (!module_names) {