Remove spurious debug in ssl_tls12_populate_transform()

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 491db9c..893bb94 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -7315,7 +7315,6 @@
                                        mac_enc, mac_key_len,
                                        &transform->psa_mac_enc ) ) != PSA_SUCCESS )
         {
-            MBEDTLS_SSL_DEBUG_RET( 3, "psa_import_mac_key", (int)status );
             ret = psa_ssl_status_to_mbedtls( status );
             MBEDTLS_SSL_DEBUG_RET( 1, "psa_import_mac_key", ret );
             goto end;