Remove unnecessary dependencies from psa_crypto_helpers.h

The psa_test_wrappers.h inclusion was breaking the examples in programs/
on functions with poisoning added

Signed-off-by: Ryan Everett <ryan.everett@arm.com>
diff --git a/tests/include/test/psa_crypto_helpers.h b/tests/include/test/psa_crypto_helpers.h
index 96a8c1c..8e790cb 100644
--- a/tests/include/test/psa_crypto_helpers.h
+++ b/tests/include/test/psa_crypto_helpers.h
@@ -16,13 +16,6 @@
 #include <psa/crypto.h>
 #endif
 
-#include "test/psa_test_wrappers.h"
-
-#if defined(MBEDTLS_TEST_HOOKS) && defined(MBEDTLS_PSA_CRYPTO_C) \
-    && defined(MBEDTLS_PSA_COPY_CALLER_BUFFERS)
-#include "test/psa_memory_poisoning_wrappers.h"
-#endif
-
 #if defined(MBEDTLS_PSA_CRYPTO_C)
 /** Initialize the PSA Crypto subsystem. */
 #define PSA_INIT() PSA_ASSERT(psa_crypto_init())