initial remove of MBEDTLS_USE_PSA_CRYPTO

Signed-off-by: Ben Taylor <ben.taylor@linaro.org>
diff --git a/programs/fuzz/fuzz_x509crt.c b/programs/fuzz/fuzz_x509crt.c
index c99ae2e..709fd20 100644
--- a/programs/fuzz/fuzz_x509crt.c
+++ b/programs/fuzz/fuzz_x509crt.c
@@ -12,12 +12,10 @@
     unsigned char buf[4096];
 
     mbedtls_x509_crt_init(&crt);
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
     psa_status_t status = psa_crypto_init();
     if (status != PSA_SUCCESS) {
         goto exit;
     }
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
     ret = mbedtls_x509_crt_parse(&crt, Data, Size);
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
     if (ret == 0) {
@@ -28,15 +26,13 @@
     ((void) buf);
 #endif /* !MBEDTLS_X509_REMOVE_INFO */
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
 exit:
     mbedtls_psa_crypto_free();
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
     mbedtls_x509_crt_free(&crt);
-#else
+#else /* MBEDTLS_X509_CRT_PARSE_C */
     (void) Data;
     (void) Size;
-#endif
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
 
     return 0;
 }