Test: Remove Audit Log test cases

Audit Log partition is removed with Library Model deprecation.
So audit log tests are no longer needed any more.

Signed-off-by: Summer Qin <summer.qin@arm.com>
Change-Id: I37b39bd2d09acafa21bf5036d14dcdd4a55f1acd
diff --git a/test/config/default_s_test_config.cmake b/test/config/default_s_test_config.cmake
index dfb103c..a0fa9ec 100644
--- a/test/config/default_s_test_config.cmake
+++ b/test/config/default_s_test_config.cmake
@@ -1,5 +1,5 @@
 #-------------------------------------------------------------------------------
-# Copyright (c) 2021, Arm Limited. All rights reserved.
+# Copyright (c) 2021-2022, Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -12,7 +12,6 @@
 ########################## S test suites #######################################
 
 set(TEST_S_ATTESTATION      ON        CACHE BOOL      "Whether to build S regression Attestation tests")
-set(TEST_S_AUDIT            ON        CACHE BOOL      "Whether to build S regression Audit log tests")
 set(TEST_S_CRYPTO           ON        CACHE BOOL      "Whether to build S regression Crypto tests")
 set(TEST_S_ITS              ON        CACHE BOOL      "Whether to build S regression ITS tests")
 set(TEST_S_PS               ON        CACHE BOOL      "Whether to build S regression PS tests")