Rm dead !USE_PSA code: SSL ciphersuite (part 2)

Manual removal as unifdef doesn't handle non-trivial expressions.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/include/mbedtls/ssl_ciphersuites.h b/include/mbedtls/ssl_ciphersuites.h
index 17a0121..6dfdd14 100644
--- a/include/mbedtls/ssl_ciphersuites.h
+++ b/include/mbedtls/ssl_ciphersuites.h
@@ -365,8 +365,7 @@
  * - by TLS 1.3 to do ECDHE or FFDHE.
  * The following macros can be used to guard their declaration and use.
  */
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_ECDH_OR_ECDHE_1_2_ENABLED) && \
-    defined(MBEDTLS_USE_PSA_CRYPTO)
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_ECDH_OR_ECDHE_1_2_ENABLED)
 #define MBEDTLS_KEY_EXCHANGE_SOME_XXDH_PSA_1_2_ENABLED
 #endif
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_XXDH_PSA_1_2_ENABLED) || \