cosmetic: remove some FIXME that actually are already fixed

Change-Id: I62ac36aae6da374b83e27b71ff52b0c3d52bf346
diff --git a/src/server/rest_api.c b/src/server/rest_api.c
index a1c5718..b990664 100644
--- a/src/server/rest_api.c
+++ b/src/server/rest_api.c
@@ -331,7 +331,7 @@
 	llist_for_each_entry(conn, &srv->banks, list) {
 		if (conn->bank.bank_id == slotmap.bank.bank_id) {
 			slotmap_state_change(map, SLMAP_S_NEW, &conn->bank.maps_new);
-			/* FIXME: Notify the conn FSM about some new maps being available */
+			/* Notify the conn FSM about some new maps being available */
 			trigger_main_thread_via_eventfd();
 			break;
 		}