test: Drop the function for running bootstd tests

Use the new suite-runner to run these tests instead.

Signed-off-by: Simon Glass <sjg@chromium.org>

test/boot/bootstd_common.c

@@ -100,13 +100,3 @@ void bootstd_reset_usb(void)
 {
 	usb_started = false;
 }
-
-int do_ut_bootstd(struct unit_test_state *uts, struct cmd_tbl *cmdtp, int flag,
-		  int argc, char *const argv[])
-{
-	struct unit_test *tests = UNIT_TEST_SUITE_START(bootstd);
-	const int n_ents = UNIT_TEST_SUITE_COUNT(bootstd);
-
-	return cmd_ut_category(uts, "bootstd", "bootstd_",
-			       tests, n_ents, argc, argv);
-}