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/ib_sysctl.c b/net/rds/ib_sysctl.c
index b556c5c..fc3da37 100644
--- a/net/rds/ib_sysctl.c
+++ b/net/rds/ib_sysctl.c
@@ -119,7 +119,7 @@
 		unregister_sysctl_table(rds_ib_sysctl_hdr);
 }
 
-int __init rds_ib_sysctl_init(void)
+int rds_ib_sysctl_init(void)
 {
 	rds_ib_sysctl_hdr = register_sysctl_paths(rds_ib_sysctl_path, rds_ib_sysctl_table);
 	if (!rds_ib_sysctl_hdr)