Remove unused parameters from internal functions

Reviewed-by: Richard Levitte <levitte@openssl.org>
diff --git a/apps/x509.c b/apps/x509.c
index 2b9cb25..66dd2ff 100644
--- a/apps/x509.c
+++ b/apps/x509.c
@@ -612,12 +612,12 @@
             EVP_PKEY_free(pkey);
         }
     } else
-        x = load_cert(infile, informat, NULL, e, "Certificate");
+        x = load_cert(infile, informat, "Certificate");
 
     if (x == NULL)
         goto end;
     if (CA_flag) {
-        xca = load_cert(CAfile, CAformat, NULL, e, "CA Certificate");
+        xca = load_cert(CAfile, CAformat, "CA Certificate");
         if (xca == NULL)
             goto end;
     }