mbedtls_check_config: remove reference to MBEDTLS_PSA_ACCEL_ECC_SECP_R1_224

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/library/mbedtls_check_config.h b/library/mbedtls_check_config.h
index 5e5a5b3..cf5e981 100644
--- a/library/mbedtls_check_config.h
+++ b/library/mbedtls_check_config.h
@@ -45,7 +45,6 @@
     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_K1_192) || \
     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_K1_256) || \
     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_192) || \
-    defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_224) || \
     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_256) || \
     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_384) || \
     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_521)