Removes unecessary statement

After other changes had taken place the call to
PSA_ASSERT( psa_get_key_attributes( key, &attributes ) )
was no longer needed.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
diff --git a/tests/suites/test_suite_psa_crypto_driver_wrappers.function b/tests/suites/test_suite_psa_crypto_driver_wrappers.function
index 6f47d7f..e4a1942 100644
--- a/tests/suites/test_suite_psa_crypto_driver_wrappers.function
+++ b/tests/suites/test_suite_psa_crypto_driver_wrappers.function
@@ -2481,7 +2481,6 @@
 
     PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
                                 &key ) );
-    PSA_ASSERT( psa_get_key_attributes( key, &attributes ) );
 
     output_size = input_ciphertext->len;