Remove useless define check for interuptible key agreement APIs

Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
diff --git a/tf-psa-crypto/drivers/builtin/src/psa_crypto_ecp.c b/tf-psa-crypto/drivers/builtin/src/psa_crypto_ecp.c
index 33a9797..76cf3ab 100644
--- a/tf-psa-crypto/drivers/builtin/src/psa_crypto_ecp.c
+++ b/tf-psa-crypto/drivers/builtin/src/psa_crypto_ecp.c
@@ -596,7 +596,7 @@
 /* Interruptible ECC Key Generation */
 /****************************************************************/
 
-#if defined(MBEDTLS_ECP_RESTARTABLE) && defined(MBEDTLS_ECP_C)
+#if defined(MBEDTLS_ECP_RESTARTABLE)
 
 psa_status_t mbedtls_psa_generate_key_iop_setup(
     mbedtls_psa_generate_key_iop_t *operation,