remove PSA_HAVE_FULL_ECDH symbol

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 8e1accd..3001f7d 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -306,7 +306,7 @@
 
 /* Helper for ECDH dependencies, will be undefined at the end of the file */
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-#if defined(PSA_HAVE_FULL_ECDH)
+#if defined(PSA_WANT_ALG_ECDH) && defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR)
 #define MBEDTLS_PK_HAVE_ECDH
 #endif
 #else /* MBEDTLS_USE_PSA_CRYPTO */
diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index 6af9eae..984a871 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -887,12 +887,6 @@
 #define PSA_HAVE_FULL_JPAKE 1
 #endif
 
-/* Having support for ECDH implicitly includes support for private and
- * public keys, so we don't specify that requirement here. */
-#if defined(PSA_WANT_ALG_ECDH)
-#define PSA_HAVE_FULL_ECDH 1
-#endif
-
 /* These features are always enabled. */
 #define PSA_WANT_KEY_TYPE_DERIVE 1
 #define PSA_WANT_KEY_TYPE_PASSWORD 1