test: Drop the function for running upl tests

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

It is not clear that these actually work, since they are not enabled on
sandbox for some reason.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/test/cmd_ut.c b/test/cmd_ut.c
index ed6bc3a..efcac62 100644
--- a/test/cmd_ut.c
+++ b/test/cmd_ut.c
@@ -190,7 +190,7 @@
 	SUITE(seama),
 #endif
 #ifdef CONFIG_CMD_UPL
-	SUITE_CMD(upl, do_ut_upl),
+	SUITE(upl),
 #endif
 };