bio_err.c: remove a reappeared filename comment
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>

crypto/bio/bio_err.c

diff --git a/crypto/bio/bio_err.c b/crypto/bio/bio_err.c
index 8c1bbd3..5b2eb95 100644
--- a/crypto/bio/bio_err.c
+++ b/crypto/bio/bio_err.c
@@ -1,4 +1,3 @@
-/* crypto/bio/bio_err.c */
 /* ====================================================================
  * Copyright (c) 1999-2016 The OpenSSL Project.  All rights reserved.
  *