Remove deterministic alg restriction on sign hash

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index ee9e041..748cb13 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -3494,12 +3494,6 @@
     defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA)) && \
     defined(MBEDTLS_ECP_RESTARTABLE)
 
-#if !defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA)
-    if (PSA_ALG_ECDSA_IS_DETERMINISTIC(alg)) {
-        return PSA_ERROR_NOT_SUPPORTED;
-    }
-#endif
-
     /* Ensure default is set even if
      * mbedtls_psa_interruptible_set_max_ops() has not been called. */
     mbedtls_psa_interruptible_set_max_ops(