crypto: remove unnecessary SSLerr calls

These are OpenSSL-internal APIs that are no longer accessible in 1.1.0
and weren't necessary. OpenSSL will push its own errors and, if it
doesn't, the calling code would handle it anyway.

PR-URL: #16130
Backport-PR-URL: #18622
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Rod Vagg <rod@vagg.org>

src/node_crypto.cc

@@ -667,7 +667,6 @@ int SSL_CTX_use_certificate_chain(SSL_CTX* ctx,
   x = PEM_read_bio_X509_AUX(in, nullptr, NoPasswordCallback, nullptr);
 
   if (x == nullptr) {
-    SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB);
     return 0;
   }
 
@@ -678,7 +677,6 @@ int SSL_CTX_use_certificate_chain(SSL_CTX* ctx,
   // Read extra certs
   STACK_OF(X509)* extra_certs = sk_X509_new_null();
   if (extra_certs == nullptr) {
-    SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_MALLOC_FAILURE);
     goto done;
   }