remove unnecessary empty line

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index ab2933e..4a71ad1 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -1389,7 +1389,6 @@
     MBEDTLS_SSL_DEBUG_MSG( 1, ( "Switch to application keys for outbound traffic" ) );
     mbedtls_ssl_set_outbound_transform( ssl, ssl->transform_application );
 
-
     /*
      * Free the previous session and switch to the current one.
      */