Remove copypasta'ed error reason in psa_aead_finish
@@ -2509,8 +2509,6 @@ psa_status_t psa_aead_finish(psa_aead_operation_t *operation,
* \retval #PSA_ERROR_BAD_STATE
* The operation state is not valid (not set up, nonce not set,
* encryption, or already completed).
- * \retval #PSA_ERROR_BUFFER_TOO_SMALL
- * The size of the \p output buffer is too small.
* \retval #PSA_ERROR_INVALID_ARGUMENT
* The total length of input to psa_aead_update_ad() so far is
* less than the additional data length that was previously
