Remove redundant MLD_ERR definitions

These are no longer necessary.

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>

Author: bensze01

drivers/pqcp/src/pqcp_buffer_alloc.h

@@ -16,17 +16,6 @@
 #include "threading_internal.h"
 #endif
 
-/* MLDSA error definitions copied from src/common.h,
-   to prevent polluting any file that includes wrap_mldsa_native.h */
-/* Generic failure condition */
-#define MLD_ERR_FAIL -1
-/* An allocation failed. This can only happen if MLD_CONFIG_CUSTOM_ALLOC_FREE
- * is defined and the provided MLD_CUSTOM_ALLOC can fail. */
-#define MLD_ERR_OUT_OF_MEMORY -2
-/* An rng failure occurred. Might be due to insufficient entropy or
- * system misconfiguration. */
-#define MLD_ERR_RNG_FAIL -3
-
 // Sufficient for signing with TF_PSA_CRYPTO_PQCP_MLDSA_87_ENABLED
 // Call stack: mldsa87_signature_internal -> attempt_signature_generation87
 #define TF_PSA_CRYPTO_PQCP_ALLOC_BUFFER_SIZE \