extmod/mbedtls: Remove brainpool curves from config.

They are much slower than NIST (SECP) curves and shouldn't be needed.

Reduces rp2 PICO_W firmware by 1328 bytes.

Thanks to @Carglglz for the information.

Signed-off-by: Damien George <damien@micropython.org>

extmod/mbedtls/mbedtls_config_common.h

@@ -42,9 +42,6 @@
 #define MBEDTLS_ECP_DP_SECP192K1_ENABLED
 #define MBEDTLS_ECP_DP_SECP224K1_ENABLED
 #define MBEDTLS_ECP_DP_SECP256K1_ENABLED
-#define MBEDTLS_ECP_DP_BP256R1_ENABLED
-#define MBEDTLS_ECP_DP_BP384R1_ENABLED
-#define MBEDTLS_ECP_DP_BP512R1_ENABLED
 #define MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
 // #define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED // enabling this currently breaks ssl_data.py test
 #define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED