test: Drop the function for running env tests

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

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/test/cmd_ut.c b/test/cmd_ut.c
index a0905ec..155b187 100644
--- a/test/cmd_ut.c
+++ b/test/cmd_ut.c
@@ -136,7 +136,7 @@
 	SUITE(dm),
 #endif
 #if defined(CONFIG_UT_ENV)
-	SUITE_CMD(env, do_ut_env),
+	SUITE(env),
 #endif
 	SUITE_CMD(exit, do_ut_exit),
 #ifdef CONFIG_CMD_FDT