wg-quick: android: no need to destroy network cache

It's implied when the networkid is destroyed.

Author: zx2c4

src/tools/wg-quick/android.c

@@ -523,36 +523,6 @@ static int32_t dnsresolver_create_network_cache(void *handle, int32_t netid)
 	return STATUS_OK;
 }
 
-static int32_t dnsresolver_destroy_network_cache(void *handle, int32_t netid)
-{
-	AIBinder *const binder = handle;
-	binder_status_t status;
-	_cleanup_parcel_ AParcel *parcel_in = NULL;
-	_cleanup_parcel_ AParcel *parcel_out = NULL;
-	_cleanup_status_ AStatus *status_out = NULL;
-
-	status = AIBinder_prepareTransaction(binder, &parcel_in);
-	if (status != STATUS_OK)
-		return status;
-
-	status = AParcel_writeInt32(parcel_in, netid);
-	if (status != STATUS_OK)
-		return status;
-
-	status = AIBinder_transact(binder, FIRST_CALL_TRANSACTION + 8 /* destroyNetworkCache */, &parcel_in, &parcel_out, 0);
-	if (status != STATUS_OK)
-		return status;
-
-	status = AParcel_readStatusHeader(parcel_out, &status_out);
-	if (status != STATUS_OK)
-		return status;
-
-	if (!AStatus_isOk(status_out))
-		return meaningful_binder_status(status_out);
-
-	return STATUS_OK;
-}
-
 static int32_t dnsresolver_set_resolver_configuration(void *handle, const struct dnsresolver_params *params)
 {
 	AIBinder *const binder = handle;
@@ -904,8 +874,6 @@ static void set_dnses(unsigned int netid, const char *dnses)
 
 		if (status != 0) {
 			fprintf(stderr, "Error: unable to set DNS servers through Binder: %d\n", status);
-			printf("[#] <binder>::dnsResolver->destroyNetworkCache(%u)\n", netid);
-			dnsresolver_destroy_network_cache(handle, netid);
 			exit(ENONET);
 		}
 	} else