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.c b/net/rds/ib.c
index d2007b9..3eb5617 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -381,7 +381,7 @@
 	.t_type			= RDS_TRANS_IB
 };
 
-int __init rds_ib_init(void)
+int rds_ib_init(void)
 {
 	int ret;