Address thread comments

Signed-off-by: Ryan Everett <ryan.everett@arm.com>
diff --git a/configs/config-thread.h b/configs/config-thread.h
index e696583..e9b267c 100644
--- a/configs/config-thread.h
+++ b/configs/config-thread.h
@@ -41,7 +41,6 @@
 /* Mbed TLS modules */
 #define MBEDTLS_ASN1_PARSE_C
 #define MBEDTLS_ASN1_WRITE_C
-#define MBEDTLS_BIGNUM_C
 #define MBEDTLS_CIPHER_C
 #define MBEDTLS_CTR_DRBG_C
 #define MBEDTLS_ENTROPY_C
diff --git a/configs/crypto-config-thread.h b/configs/crypto-config-thread.h
index 7ea66da..4ba8b5e 100644
--- a/configs/crypto-config-thread.h
+++ b/configs/crypto-config-thread.h
@@ -26,13 +26,11 @@
 
 #define PSA_WANT_ALG_CCM                        1
 #define PSA_WANT_ALG_CMAC                       1
+#define PSA_WANT_ALG_ECB_NO_PADDING             1
+#define PSA_WANT_ALG_HMAC                       1
 #define PSA_WANT_ALG_JPAKE                      1
 #define PSA_WANT_ALG_SHA_256                    1
 #define PSA_WANT_ALG_TLS12_PRF                  1
-#define PSA_WANT_ALG_TLS12_PSK_TO_MS            1
-#define PSA_WANT_ALG_CCM_STAR_NO_TAG            1
-#define PSA_WANT_ALG_ECB_NO_PADDING             1
-#define PSA_WANT_ALG_HMAC                       1
 #define PSA_WANT_ALG_TLS12_ECJPAKE_TO_PMS       1
 #define PSA_WANT_ECC_SECP_R1_256                1
 
@@ -41,6 +39,6 @@
 #define PSA_WANT_KEY_TYPE_HMAC                  1
 #define PSA_WANT_KEY_TYPE_RAW_DATA              1
 #define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC    1
+#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_IMPORT   1
 #define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE 1
-#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE   1
 #endif /* PSA_CRYPTO_CONFIG_H */