Rename new_session_ticket state

Both client and server side use
`MBEDTLS_SSL_NEW_SESSION_TICKET` now

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 0477e91..9703fcb 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -651,7 +651,7 @@
     MBEDTLS_SSL_FLUSH_BUFFERS,
     MBEDTLS_SSL_HANDSHAKE_WRAPUP,
     MBEDTLS_SSL_HANDSHAKE_OVER,
-    MBEDTLS_SSL_SERVER_NEW_SESSION_TICKET,
+    MBEDTLS_SSL_NEW_SESSION_TICKET,
     MBEDTLS_SSL_SERVER_HELLO_VERIFY_REQUEST_SENT,
     MBEDTLS_SSL_HELLO_RETRY_REQUEST,
     MBEDTLS_SSL_ENCRYPTED_EXTENSIONS,
@@ -660,7 +660,6 @@
     MBEDTLS_SSL_CLIENT_CCS_BEFORE_2ND_CLIENT_HELLO,
     MBEDTLS_SSL_SERVER_CCS_AFTER_SERVER_HELLO,
     MBEDTLS_SSL_SERVER_CCS_AFTER_HELLO_RETRY_REQUEST,
-    MBEDTLS_SSL_CLIENT_NEW_SESSION_TICKET,
 }
 mbedtls_ssl_states;