CLEANUP: ssl: remove old TODO commentary

Remove an old commentary above ckch_inst_new_load_multi_store().
This function doe not do filesystem syscalls anymore.
diff --git a/src/ssl_sock.c b/src/ssl_sock.c
index 5776067..aa98e81 100644
--- a/src/ssl_sock.c
+++ b/src/ssl_sock.c
@@ -3332,8 +3332,6 @@
  *     ERR_ALERT if the reason of the error is available in err
  *     ERR_WARN if a warning is available into err
  *
- * TODO: This function shouldn't access files anymore, sctl and ocsp file access
- * should be migrated to the ssl_sock_load_crt_file_into_ckch() function
  */
 static int ckch_inst_new_load_multi_store(const char *path, struct ckch_store *ckchs,
                                           struct bind_conf *bind_conf, struct ssl_bind_conf *ssl_conf,