Garmin: Remove Unused Transport Filter.

Remove the unused transport filter for the file based Garmin importers,
as it is not used at all in the way that the USB storage transport is
implemented.

Signed-off-by: Michael Keller <github@ike.ch>

src/descriptor.c

@@ -474,8 +474,8 @@ static const dc_descriptor_t g_descriptors[] = {
 	/* for the Mk1 we are using the model of the global model */
 	/* for the Mk2/Mk3 we are using the model of the Mk2 global model */
 	/* see garmin_parser.c for a more comprehensive list of models */
-	{"Garmin", "Descent Mk1", DC_FAMILY_GARMIN, 2859, DC_TRANSPORT_USBSTORAGE, dc_filter_garmin},
-	{"Garmin", "Descent Mk2(i)/Mk3(i)", DC_FAMILY_GARMIN, 3258, DC_TRANSPORT_USBSTORAGE, dc_filter_garmin},
+	{"Garmin", "Descent Mk1", DC_FAMILY_GARMIN, 2859, DC_TRANSPORT_USBSTORAGE, NULL},
+	{"Garmin", "Descent Mk2(i)/Mk3(i)", DC_FAMILY_GARMIN, 3258, DC_TRANSPORT_USBSTORAGE, NULL},
 	{"FIT", "File import", DC_FAMILY_GARMIN, 0, DC_TRANSPORT_USBSTORAGE, NULL },
 };
 
@@ -858,21 +858,6 @@ dc_filter_divesoft (dc_descriptor_t *descriptor, dc_transport_t transport, const
 	return 1;
 }
 
-// Not merged upstream yet
-static int
-dc_filter_garmin (dc_descriptor_t *descriptor, dc_transport_t transport, const void *userdata)
-{
-	static const dc_usb_desc_t usbhid[] = {
-		{0x091e, 0x2b2b}, // Garmin Descent Mk1
-	};
-
-	if (transport == DC_TRANSPORT_USBSTORAGE) {
-		return DC_FILTER_INTERNAL (userdata, usbhid, 0, dc_match_usb);
-	}
-
-	return 1;
-}
-
 dc_status_t
 dc_descriptor_iterator (dc_iterator_t **out)
 {