Test: Remove Library Model codes

Library Model is deprecated, so remove the related codes in test repo.
 - Remove core test since it is Library Model specific.

Signed-off-by: Summer Qin <summer.qin@arm.com>
Change-Id: I5790aa311248b9f0bf4fc3641f29127955a5dd92
diff --git a/test/secure_fw/non_secure_suites.c b/test/secure_fw/non_secure_suites.c
index 75c19d5..484697f 100644
--- a/test/secure_fw/non_secure_suites.c
+++ b/test/secure_fw/non_secure_suites.c
@@ -36,16 +36,13 @@
 #ifdef TEST_NS_PLATFORM
 #include "platform_ns_tests.h"
 #endif
-#ifdef TEST_NS_CORE
-#include "core_ns_tests.h"
-#endif
 #ifdef TEST_NS_IPC
 #include "ipc_ns_tests.h"
 #else
 #ifdef TEST_NS_AUDIT
 #include "audit_ns_tests.h"
 #endif
-#endif /* TFM_PSA_API */
+#endif /* TEST_NS_IPC */
 #ifdef TEST_NS_MULTI_CORE
 #include "multi_core_ns_test.h"
 #endif /* TEST_NS_MULTI_CORE */
@@ -70,11 +67,6 @@
 
 static struct test_suite_t test_suites[] = {
     /* List test cases which are compliant with level 1 isolation */
-#ifdef TEST_NS_CORE
-    /* Non-secure core test cases */
-    {&register_testsuite_ns_core_positive, 0, 0, 0},
-#endif
-
 #ifdef TEST_NS_IPC
     /* Non-secure IPC test cases */
     {&register_testsuite_ns_ipc_interface, 0, 0, 0},