Remove spurious incorrect comment

Comment originated from original version of this code, and the newer comment
which was added when it was pulled into a seperate function covers all cases.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 2f5b50d..fd355de 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -1233,7 +1233,7 @@
        to complete, and likewise that with a max_ops of
        PSA_INTERRUPTIBLE_MAX_OPS_UNLIMITED, it should complete in one go. */
     if (max_ops == 0 || max_ops == 1) {
-        /* Failure test cases will fail on the first op. */
+
         if (expected_status == PSA_SUCCESS) {
             *min_completes = 2;
         } else {