dm: ide: Drop the get_dev() function

This function is implemented by the legacy block functions now. Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/disk/part.c b/disk/part.c
index 1b33928..bf224b2 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -23,7 +23,7 @@
 
 const struct block_drvr block_drvr[] = {
 #if defined(CONFIG_CMD_IDE)
-	{ .name = "ide", .get_dev = ide_get_dev, },
+	{ .name = "ide", },
 #endif
 #if defined(CONFIG_CMD_SATA)
 	{.name = "sata", .get_dev = sata_get_dev, },