ide: Drop CONFIG_START_IDE

This is not used by any board. Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/board_r.c b/common/board_r.c
index 6b4180b..7076af6 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -523,12 +523,7 @@
 static int initr_ide(void)
 {
 	puts("IDE:   ");
-#if defined(CONFIG_START_IDE)
-	if (board_start_ide())
-		ide_init();
-#else
 	ide_init();
-#endif
 	return 0;
 }
 #endif
diff --git a/include/ide.h b/include/ide.h
index 58f6640..9c0d403 100644
--- a/include/ide.h
+++ b/include/ide.h
@@ -47,11 +47,4 @@
 
 void ide_led(uchar led, uchar status);
 
-/**
- * board_start_ide() - Start up the board IDE interfac
- *
- * Return: 0 if ok
- */
-int board_start_ide(void);
-
 #endif /* _IDE_H */