remove extra empty line

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 6a37af7..6367651 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -4915,7 +4915,6 @@
 }
 #endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
 
-
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
@@ -5690,7 +5689,6 @@
 #endif
 #endif /* MBEDTLS_SSL_SRV_C && MBEDTLS_SSL_RENEGOTIATION */
 
-
 /*
  * Handshake functions
  */
@@ -6479,7 +6477,6 @@
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
 
-
 #if defined(MBEDTLS_SHA256_C)
 static void ssl_calc_finished_tls_sha256(
                 mbedtls_ssl_context *ssl, unsigned char *buf, int from )
@@ -6658,7 +6655,6 @@
     MBEDTLS_SSL_DEBUG_MSG( 3, ( "<= handshake wrapup: final free" ) );
 }
 
-
 void mbedtls_ssl_handshake_wrapup( mbedtls_ssl_context *ssl )
 {
     int resume = ssl->handshake->resume;