Revert some changes about tls13 and macros

There is one PR #4988 to change it in the future

Signed-off-by: XiaokangQian <xiaokang.qian@arm.com>
diff --git a/library/ssl_tls13_keys.c b/library/ssl_tls13_keys.c
index 54a9275..2127393 100644
--- a/library/ssl_tls13_keys.c
+++ b/library/ssl_tls13_keys.c
@@ -469,7 +469,7 @@
           mbedtls_md_type_t md_type,
           unsigned char const *application_secret,
           unsigned char const *transcript, size_t transcript_len,
-          mbedtls_ssl_tls13_application_secrets *derived )
+          mbedtls_ssl_tls1_3_application_secrets *derived )
 {
     int ret;
     mbedtls_md_info_t const * const md_info = mbedtls_md_info_from_type( md_type );
@@ -539,7 +539,7 @@
           mbedtls_md_type_t md_type,
           unsigned char const *application_secret,
           unsigned char const *transcript, size_t transcript_len,
-          mbedtls_ssl_tls13_application_secrets *derived )
+          mbedtls_ssl_tls1_3_application_secrets *derived )
 {
     int ret;
     mbedtls_md_info_t const * const md_info = mbedtls_md_info_from_type( md_type );
@@ -1114,7 +1114,7 @@
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
     /* Address at which to store the application secrets */
-    mbedtls_ssl_tls13_application_secrets * const app_secrets =
+    mbedtls_ssl_tls1_3_application_secrets * const app_secrets =
         &ssl->session_negotiate->app_secrets;
 
     /* Holding the transcript up to and including the ServerFinished */
diff --git a/library/ssl_tls13_keys.h b/library/ssl_tls13_keys.h
index 1e6fff5..e96cfc1 100644
--- a/library/ssl_tls13_keys.h
+++ b/library/ssl_tls13_keys.h
@@ -19,7 +19,6 @@
 #if !defined(MBEDTLS_SSL_TLS1_3_KEYS_H)
 #define MBEDTLS_SSL_TLS1_3_KEYS_H
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
 /* This requires MBEDTLS_SSL_TLS1_3_LABEL( idx, name, string ) to be defined at
  * the point of use. See e.g. the definition of mbedtls_ssl_tls1_3_labels_union
  * below. */
@@ -345,7 +344,7 @@
           mbedtls_md_type_t md_type,
           unsigned char const *master_secret,
           unsigned char const *transcript, size_t transcript_len,
-          mbedtls_ssl_tls13_application_secrets *derived );
+          mbedtls_ssl_tls1_3_application_secrets *derived );
 
 /**
  * \brief Derive TLS 1.3 resumption master secret from the master secret.
@@ -375,7 +374,7 @@
           mbedtls_md_type_t md_type,
           unsigned char const *application_secret,
           unsigned char const *transcript, size_t transcript_len,
-          mbedtls_ssl_tls13_application_secrets *derived );
+          mbedtls_ssl_tls1_3_application_secrets *derived );
 
 /**
  * \brief Compute the next secret in the TLS 1.3 key schedule
@@ -632,5 +631,4 @@
                                       size_t *actual_len,
                                       int from );
 
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
 #endif /* MBEDTLS_SSL_TLS1_3_KEYS_H */