RDS: remove __init and __exit annotation

The trivial amount of memory saved isn't worth the cost of dealing with section
mismatches.

Signed-off-by: Zach Brown <zach.brown@oracle.com>
diff --git a/net/rds/iw_sysctl.c b/net/rds/iw_sysctl.c
index 3cb0587..23e3a9a 100644
--- a/net/rds/iw_sysctl.c
+++ b/net/rds/iw_sysctl.c
@@ -122,7 +122,7 @@
 		unregister_sysctl_table(rds_iw_sysctl_hdr);
 }
 
-int __init rds_iw_sysctl_init(void)
+int rds_iw_sysctl_init(void)
 {
 	rds_iw_sysctl_hdr = register_sysctl_paths(rds_iw_sysctl_path, rds_iw_sysctl_table);
 	if (!rds_iw_sysctl_hdr)