Remove PSA only code from non-PSA code block code in ssl_write_client_key_exchange()

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/library/ssl_tls12_client.c b/library/ssl_tls12_client.c
index 56aef89..bff9ded 100644
--- a/library/ssl_tls12_client.c
+++ b/library/ssl_tls12_client.c
@@ -3199,12 +3199,6 @@
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
         if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
         {
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-            /* Opaque PSKs are currently only supported for PSK-only suites. */
-            if( ssl_conf_has_static_raw_psk( ssl->conf ) == 0 )
-                return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
-
             /*
              * ClientECDiffieHellmanPublic public;
              */