Remove PK and CSR writing functionality from baremetal.h
diff --git a/configs/baremetal.h b/configs/baremetal.h
index 11292e1..694dceb 100644
--- a/configs/baremetal.h
+++ b/configs/baremetal.h
@@ -45,7 +45,6 @@
 #define MBEDTLS_BIGNUM_C
 #define MBEDTLS_PK_C
 #define MBEDTLS_PK_PARSE_C
-#define MBEDTLS_PK_WRITE_C
 #define MBEDTLS_ECDSA_C
 #define MBEDTLS_ECP_C
 #define MBEDTLS_ECP_DP_SECP256R1_ENABLED
@@ -131,8 +130,6 @@
 #define MBEDTLS_X509_REMOVE_HOSTNAME_VERIFICATION
 
 /* X.509 CSR writing */
-#define MBEDTLS_X509_CSR_WRITE_C
-#define MBEDTLS_X509_CREATE_C
 #define MBEDTLS_ASN1_WRITE_C
 
 /* RNG and PRNG */