ipaccess.c: Drop repeated ipaccess_keepalive_fsm_cleanup in write error path

The function is already being called by ipaccess_drop().

Change-Id: I00d0557fe81861d4b913a4c76e4b56f93e656103
diff --git a/src/input/ipaccess.c b/src/input/ipaccess.c
index 96828eb..28191b7 100644
--- a/src/input/ipaccess.c
+++ b/src/input/ipaccess.c
@@ -486,7 +486,6 @@
 	msgb_free(msg);
 	return ret;
 err:
-	ipaccess_keepalive_fsm_cleanup(e1i_ts);
 	ipaccess_drop(bfd, line);
 	msgb_free(msg);
 	return ret;